208209540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 288

約数和(自身を含む): 778643712

約数和(自身を除く): 570434172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 20, 21, 22, 28, 30, 33, 34, 35, 42, 44, 51, 55, 60, 66, 68, 70, 77, 84, 85, 102, 105, 110, 119, 121, 132, 140, 154, 165, 170, 187, 204, 210, 220, 231, 238, 241, 242, 255, 308, 330, 340, 357, 363, 374, 385, 420, 462, 476, 482, 484, 510, 561, 595, 605, 660, 714, 723, 726, 748, 770, 847, 924, 935, 964, 1020, 1122, 1155, 1190, 1205, 1210, 1309, 1428, 1446, 1452, 1540, 1687, 1694, 1785, 1815, 1870, 2057, 2244, 2310, 2380, 2410, 2420, 2541, 2618, 2651, 2805, 2892, 3374, 3388, 3570, 3615, 3630, 3740, 3927, 4097, 4114, 4235, 4620, 4820, 5061, 5082, 5236, 5302, 5610, 6171, 6545, 6748, 7140, 7230, 7260, 7854, 7953, 8194, 8228, 8435, 8470, 10122, 10164, 10285, 10604, 11220, 12291, 12342, 12705, 13090, 13255, 14399, 14460, 15708, 15906, 16388, 16870, 16940, 18557, 19635, 20244, 20485, 20570, 24582, 24684, 25305, 25410, 26180, 26510, 28679, 28798, 29161, 30855, 31812, 33740, 37114, 39270, 39765, 40970, 41140, 43197, 45067, 49164, 50610, 50820, 53020, 55671, 57358, 57596, 58322, 61455, 61710, 71995, 74228, 78540, 79530, 81940, 86037, 86394, 87483, 90134, 92785, 101220, 111342, 114716, 116644, 122910, 123420, 135201, 143395, 143990, 145805, 159060, 172074, 172788, 174966, 180268, 185570, 204127, 215985, 222684, 225335, 245820, 270402, 278355, 286790, 287980, 291610, 315469, 344148, 349932, 371140, 408254, 430185, 431970, 437415, 450670, 495737, 540804, 556710, 573580, 583220, 612381, 630938, 676005, 816508, 860370, 863940, 874830, 901340, 946407, 991474, 1020635, 1113420, 1224762, 1261876, 1352010, 1487211, 1577345, 1720740, 1749660, 1892814, 1982948, 2041270, 2449524, 2478685, 2704020, 2974422, 3061905, 3154690, 3470159, 3785628, 4082540, 4732035, 4957370, 5948844, 6123810, 6309380, 6940318, 7436055, 9464070, 9914740, 10410477, 12247620, 13880636, 14872110, 17350795, 18928140, 20820954, 29744220, 34701590, 41641908, 52052385, 69403180, 104104770, 208209540]

約数ペア:

[(1, 208209540), (2, 104104770), (3, 69403180), (4, 52052385), (5, 41641908), (6, 34701590), (7, 29744220), (10, 20820954), (11, 18928140), (12, 17350795), (14, 14872110), (15, 13880636), (17, 12247620), (20, 10410477), (21, 9914740), (22, 9464070), (28, 7436055), (30, 6940318), (33, 6309380), (34, 6123810), (35, 5948844), (42, 4957370), (44, 4732035), (51, 4082540), (55, 3785628), (60, 3470159), (66, 3154690), (68, 3061905), (70, 2974422), (77, 2704020), (84, 2478685), (85, 2449524), (102, 2041270), (105, 1982948), (110, 1892814), (119, 1749660), (121, 1720740), (132, 1577345), (140, 1487211), (154, 1352010), (165, 1261876), (170, 1224762), (187, 1113420), (204, 1020635), (210, 991474), (220, 946407), (231, 901340), (238, 874830), (241, 863940), (242, 860370), (255, 816508), (308, 676005), (330, 630938), (340, 612381), (357, 583220), (363, 573580), (374, 556710), (385, 540804), (420, 495737), (462, 450670), (476, 437415), (482, 431970), (484, 430185), (510, 408254), (561, 371140), (595, 349932), (605, 344148), (660, 315469), (714, 291610), (723, 287980), (726, 286790), (748, 278355), (770, 270402), (847, 245820), (924, 225335), (935, 222684), (964, 215985), (1020, 204127), (1122, 185570), (1155, 180268), (1190, 174966), (1205, 172788), (1210, 172074), (1309, 159060), (1428, 145805), (1446, 143990), (1452, 143395), (1540, 135201), (1687, 123420), (1694, 122910), (1785, 116644), (1815, 114716), (1870, 111342), (2057, 101220), (2244, 92785), (2310, 90134), (2380, 87483), (2410, 86394), (2420, 86037), (2541, 81940), (2618, 79530), (2651, 78540), (2805, 74228), (2892, 71995), (3374, 61710), (3388, 61455), (3570, 58322), (3615, 57596), (3630, 57358), (3740, 55671), (3927, 53020), (4097, 50820), (4114, 50610), (4235, 49164), (4620, 45067), (4820, 43197), (5061, 41140), (5082, 40970), (5236, 39765), (5302, 39270), (5610, 37114), (6171, 33740), (6545, 31812), (6748, 30855), (7140, 29161), (7230, 28798), (7260, 28679), (7854, 26510), (7953, 26180), (8194, 25410), (8228, 25305), (8435, 24684), (8470, 24582), (10122, 20570), (10164, 20485), (10285, 20244), (10604, 19635), (11220, 18557), (12291, 16940), (12342, 16870), (12705, 16388), (13090, 15906), (13255, 15708), (14399, 14460)]