204431920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 180

約数和(自身を含む): 609148512

約数和(自身を除く): 404716592

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 176, 196, 220, 242, 245, 280, 308, 385, 392, 431, 440, 484, 490, 539, 560, 605, 616, 770, 784, 847, 862, 880, 968, 980, 1078, 1210, 1232, 1540, 1694, 1724, 1936, 1960, 2155, 2156, 2420, 2695, 3017, 3080, 3388, 3448, 3920, 4235, 4310, 4312, 4741, 4840, 5390, 5929, 6034, 6160, 6776, 6896, 8470, 8620, 8624, 9482, 9680, 10780, 11858, 12068, 13552, 15085, 16940, 17240, 18964, 21119, 21560, 23705, 23716, 24136, 29645, 30170, 33187, 33880, 34480, 37928, 42238, 43120, 47410, 47432, 48272, 52151, 59290, 60340, 66374, 67760, 75856, 84476, 94820, 94864, 104302, 105595, 118580, 120680, 132748, 165935, 168952, 189640, 208604, 211190, 232309, 237160, 241360, 260755, 265496, 331870, 337904, 365057, 379280, 417208, 422380, 464618, 474320, 521510, 530992, 663740, 730114, 834416, 844760, 929236, 1043020, 1161545, 1327480, 1460228, 1689520, 1825285, 1858472, 2086040, 2323090, 2555399, 2654960, 2920456, 3650570, 3716944, 4172080, 4646180, 5110798, 5840912, 7301140, 9292360, 10221596, 12776995, 14602280, 18584720, 20443192, 25553990, 29204560, 40886384, 51107980, 102215960, 204431920]

約数ペア:

[(1, 204431920), (2, 102215960), (4, 51107980), (5, 40886384), (7, 29204560), (8, 25553990), (10, 20443192), (11, 18584720), (14, 14602280), (16, 12776995), (20, 10221596), (22, 9292360), (28, 7301140), (35, 5840912), (40, 5110798), (44, 4646180), (49, 4172080), (55, 3716944), (56, 3650570), (70, 2920456), (77, 2654960), (80, 2555399), (88, 2323090), (98, 2086040), (110, 1858472), (112, 1825285), (121, 1689520), (140, 1460228), (154, 1327480), (176, 1161545), (196, 1043020), (220, 929236), (242, 844760), (245, 834416), (280, 730114), (308, 663740), (385, 530992), (392, 521510), (431, 474320), (440, 464618), (484, 422380), (490, 417208), (539, 379280), (560, 365057), (605, 337904), (616, 331870), (770, 265496), (784, 260755), (847, 241360), (862, 237160), (880, 232309), (968, 211190), (980, 208604), (1078, 189640), (1210, 168952), (1232, 165935), (1540, 132748), (1694, 120680), (1724, 118580), (1936, 105595), (1960, 104302), (2155, 94864), (2156, 94820), (2420, 84476), (2695, 75856), (3017, 67760), (3080, 66374), (3388, 60340), (3448, 59290), (3920, 52151), (4235, 48272), (4310, 47432), (4312, 47410), (4741, 43120), (4840, 42238), (5390, 37928), (5929, 34480), (6034, 33880), (6160, 33187), (6776, 30170), (6896, 29645), (8470, 24136), (8620, 23716), (8624, 23705), (9482, 21560), (9680, 21119), (10780, 18964), (11858, 17240), (12068, 16940), (13552, 15085)]