311056900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 216

約数和(自身を含む): 890568000

約数和(自身を除く): 579511100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 29, 35, 44, 49, 50, 55, 58, 70, 77, 98, 100, 110, 116, 140, 145, 154, 175, 196, 199, 203, 220, 245, 275, 290, 308, 319, 350, 385, 398, 406, 490, 539, 550, 580, 638, 700, 725, 770, 796, 812, 980, 995, 1015, 1078, 1100, 1225, 1276, 1393, 1421, 1450, 1540, 1595, 1925, 1990, 2030, 2156, 2189, 2233, 2450, 2695, 2786, 2842, 2900, 3190, 3850, 3980, 4060, 4378, 4466, 4900, 4975, 5075, 5390, 5572, 5684, 5771, 6380, 6965, 7105, 7700, 7975, 8756, 8932, 9751, 9950, 10150, 10780, 10945, 11165, 11542, 13475, 13930, 14210, 15323, 15631, 15950, 19502, 19900, 20300, 21890, 22330, 23084, 26950, 27860, 28420, 28855, 30646, 31262, 31900, 34825, 35525, 39004, 40397, 43780, 44660, 48755, 53900, 54725, 55825, 57710, 61292, 62524, 63481, 69650, 71050, 76615, 78155, 80794, 97510, 107261, 109450, 111650, 115420, 126962, 139300, 142100, 144275, 153230, 156310, 161588, 195020, 201985, 214522, 218900, 223300, 243775, 253924, 282779, 288550, 306460, 312620, 317405, 383075, 390775, 403970, 429044, 444367, 487550, 536305, 565558, 577100, 634810, 766150, 781550, 807940, 888734, 975100, 1009925, 1072610, 1131116, 1269620, 1413895, 1532300, 1563100, 1587025, 1777468, 2019850, 2145220, 2221835, 2681525, 2827790, 3110569, 3174050, 4039700, 4443670, 5363050, 5655580, 6221138, 6348100, 7069475, 8887340, 10726100, 11109175, 12442276, 14138950, 15552845, 22218350, 28277900, 31105690, 44436700, 62211380, 77764225, 155528450, 311056900]

約数ペア:

[(1, 311056900), (2, 155528450), (4, 77764225), (5, 62211380), (7, 44436700), (10, 31105690), (11, 28277900), (14, 22218350), (20, 15552845), (22, 14138950), (25, 12442276), (28, 11109175), (29, 10726100), (35, 8887340), (44, 7069475), (49, 6348100), (50, 6221138), (55, 5655580), (58, 5363050), (70, 4443670), (77, 4039700), (98, 3174050), (100, 3110569), (110, 2827790), (116, 2681525), (140, 2221835), (145, 2145220), (154, 2019850), (175, 1777468), (196, 1587025), (199, 1563100), (203, 1532300), (220, 1413895), (245, 1269620), (275, 1131116), (290, 1072610), (308, 1009925), (319, 975100), (350, 888734), (385, 807940), (398, 781550), (406, 766150), (490, 634810), (539, 577100), (550, 565558), (580, 536305), (638, 487550), (700, 444367), (725, 429044), (770, 403970), (796, 390775), (812, 383075), (980, 317405), (995, 312620), (1015, 306460), (1078, 288550), (1100, 282779), (1225, 253924), (1276, 243775), (1393, 223300), (1421, 218900), (1450, 214522), (1540, 201985), (1595, 195020), (1925, 161588), (1990, 156310), (2030, 153230), (2156, 144275), (2189, 142100), (2233, 139300), (2450, 126962), (2695, 115420), (2786, 111650), (2842, 109450), (2900, 107261), (3190, 97510), (3850, 80794), (3980, 78155), (4060, 76615), (4378, 71050), (4466, 69650), (4900, 63481), (4975, 62524), (5075, 61292), (5390, 57710), (5572, 55825), (5684, 54725), (5771, 53900), (6380, 48755), (6965, 44660), (7105, 43780), (7700, 40397), (7975, 39004), (8756, 35525), (8932, 34825), (9751, 31900), (9950, 31262), (10150, 30646), (10780, 28855), (10945, 28420), (11165, 27860), (11542, 26950), (13475, 23084), (13930, 22330), (14210, 21890), (15323, 20300), (15631, 19900), (15950, 19502)]