428602020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 288

約数和(自身を含む): 1578890880

約数和(自身を除く): 1150288860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 29, 30, 33, 35, 42, 44, 49, 55, 58, 60, 66, 70, 77, 84, 87, 98, 105, 110, 116, 132, 140, 145, 147, 154, 165, 174, 196, 203, 210, 220, 231, 245, 290, 294, 308, 319, 330, 348, 385, 406, 420, 435, 457, 462, 490, 539, 580, 588, 609, 638, 660, 735, 770, 812, 870, 914, 924, 957, 980, 1015, 1078, 1155, 1218, 1276, 1371, 1421, 1470, 1540, 1595, 1617, 1740, 1828, 1914, 2030, 2156, 2233, 2285, 2310, 2436, 2695, 2742, 2842, 2940, 3045, 3190, 3199, 3234, 3828, 4060, 4263, 4466, 4570, 4620, 4785, 5027, 5390, 5484, 5684, 6090, 6380, 6398, 6468, 6699, 6855, 7105, 8085, 8526, 8932, 9140, 9570, 9597, 10054, 10780, 11165, 12180, 12796, 13253, 13398, 13710, 14210, 15081, 15631, 15995, 16170, 17052, 19140, 19194, 20108, 21315, 22330, 22393, 25135, 26506, 26796, 27420, 28420, 30162, 31262, 31990, 32340, 33495, 35189, 38388, 39759, 42630, 44660, 44786, 46893, 47985, 50270, 53012, 60324, 62524, 63980, 66265, 66990, 67179, 70378, 75405, 78155, 79518, 85260, 89572, 92771, 93786, 95970, 100540, 105567, 111965, 132530, 133980, 134358, 140756, 145783, 150810, 156310, 159036, 175945, 185542, 187572, 191940, 198795, 211134, 223930, 234465, 246323, 265060, 268716, 278313, 291566, 301620, 312620, 335895, 351890, 371084, 397590, 422268, 437349, 447860, 463855, 468930, 492646, 527835, 556626, 583132, 649397, 671790, 703780, 728915, 738969, 795180, 874698, 927710, 937860, 985292, 1020481, 1055670, 1113252, 1231615, 1298794, 1343580, 1391565, 1457830, 1477938, 1749396, 1855420, 1948191, 2040962, 2111340, 2186745, 2463230, 2597588, 2783130, 2915660, 2955876, 3061443, 3246985, 3694845, 3896382, 4081924, 4373490, 4926460, 5102405, 5566260, 6122886, 6493970, 7143367, 7389690, 7792764, 8746980, 9740955, 10204810, 12245772, 12987940, 14286734, 14779380, 15307215, 19481910, 20409620, 21430101, 28573468, 30614430, 35716835, 38963820, 42860202, 61228860, 71433670, 85720404, 107150505, 142867340, 214301010, 428602020]

約数ペア:

[(1, 428602020), (2, 214301010), (3, 142867340), (4, 107150505), (5, 85720404), (6, 71433670), (7, 61228860), (10, 42860202), (11, 38963820), (12, 35716835), (14, 30614430), (15, 28573468), (20, 21430101), (21, 20409620), (22, 19481910), (28, 15307215), (29, 14779380), (30, 14286734), (33, 12987940), (35, 12245772), (42, 10204810), (44, 9740955), (49, 8746980), (55, 7792764), (58, 7389690), (60, 7143367), (66, 6493970), (70, 6122886), (77, 5566260), (84, 5102405), (87, 4926460), (98, 4373490), (105, 4081924), (110, 3896382), (116, 3694845), (132, 3246985), (140, 3061443), (145, 2955876), (147, 2915660), (154, 2783130), (165, 2597588), (174, 2463230), (196, 2186745), (203, 2111340), (210, 2040962), (220, 1948191), (231, 1855420), (245, 1749396), (290, 1477938), (294, 1457830), (308, 1391565), (319, 1343580), (330, 1298794), (348, 1231615), (385, 1113252), (406, 1055670), (420, 1020481), (435, 985292), (457, 937860), (462, 927710), (490, 874698), (539, 795180), (580, 738969), (588, 728915), (609, 703780), (638, 671790), (660, 649397), (735, 583132), (770, 556626), (812, 527835), (870, 492646), (914, 468930), (924, 463855), (957, 447860), (980, 437349), (1015, 422268), (1078, 397590), (1155, 371084), (1218, 351890), (1276, 335895), (1371, 312620), (1421, 301620), (1470, 291566), (1540, 278313), (1595, 268716), (1617, 265060), (1740, 246323), (1828, 234465), (1914, 223930), (2030, 211134), (2156, 198795), (2233, 191940), (2285, 187572), (2310, 185542), (2436, 175945), (2695, 159036), (2742, 156310), (2842, 150810), (2940, 145783), (3045, 140756), (3190, 134358), (3199, 133980), (3234, 132530), (3828, 111965), (4060, 105567), (4263, 100540), (4466, 95970), (4570, 93786), (4620, 92771), (4785, 89572), (5027, 85260), (5390, 79518), (5484, 78155), (5684, 75405), (6090, 70378), (6380, 67179), (6398, 66990), (6468, 66265), (6699, 63980), (6855, 62524), (7105, 60324), (8085, 53012), (8526, 50270), (8932, 47985), (9140, 46893), (9570, 44786), (9597, 44660), (10054, 42630), (10780, 39759), (11165, 38388), (12180, 35189), (12796, 33495), (13253, 32340), (13398, 31990), (13710, 31262), (14210, 30162), (15081, 28420), (15631, 27420), (15995, 26796), (16170, 26506), (17052, 25135), (19140, 22393), (19194, 22330), (20108, 21315)]