28157030790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{98807}}^1$

素因数の和:98906

約数の個数: 128

約数和(自身を含む): 81955307520

約数和(自身を除く): 53798276730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 59, 69, 70, 105, 115, 118, 138, 161, 177, 210, 230, 295, 322, 345, 354, 413, 483, 590, 690, 805, 826, 885, 966, 1239, 1357, 1610, 1770, 2065, 2415, 2478, 2714, 4071, 4130, 4830, 6195, 6785, 8142, 9499, 12390, 13570, 18998, 20355, 28497, 40710, 47495, 56994, 94990, 98807, 142485, 197614, 284970, 296421, 494035, 592842, 691649, 988070, 1383298, 1482105, 2074947, 2272561, 2964210, 3458245, 4149894, 4545122, 5829613, 6817683, 6916490, 10374735, 11362805, 11659226, 13635366, 15907927, 17488839, 20749470, 22725610, 29148065, 31815854, 34088415, 34977678, 40807291, 47723781, 58296130, 68176830, 79539635, 81614582, 87444195, 95447562, 122421873, 134081099, 159079270, 174888390, 204036455, 238618905, 244843746, 268162198, 402243297, 408072910, 477237810, 612109365, 670405495, 804486594, 938567693, 1224218730, 1340810990, 1877135386, 2011216485, 2815703079, 4022432970, 4692838465, 5631406158, 9385676930, 14078515395, 28157030790]

約数ペア:

[(1, 28157030790), (2, 14078515395), (3, 9385676930), (5, 5631406158), (6, 4692838465), (7, 4022432970), (10, 2815703079), (14, 2011216485), (15, 1877135386), (21, 1340810990), (23, 1224218730), (30, 938567693), (35, 804486594), (42, 670405495), (46, 612109365), (59, 477237810), (69, 408072910), (70, 402243297), (105, 268162198), (115, 244843746), (118, 238618905), (138, 204036455), (161, 174888390), (177, 159079270), (210, 134081099), (230, 122421873), (295, 95447562), (322, 87444195), (345, 81614582), (354, 79539635), (413, 68176830), (483, 58296130), (590, 47723781), (690, 40807291), (805, 34977678), (826, 34088415), (885, 31815854), (966, 29148065), (1239, 22725610), (1357, 20749470), (1610, 17488839), (1770, 15907927), (2065, 13635366), (2415, 11659226), (2478, 11362805), (2714, 10374735), (4071, 6916490), (4130, 6817683), (4830, 5829613), (6195, 4545122), (6785, 4149894), (8142, 3458245), (9499, 2964210), (12390, 2272561), (13570, 2074947), (18998, 1482105), (20355, 1383298), (28497, 988070), (40710, 691649), (47495, 592842), (56994, 494035), (94990, 296421), (98807, 284970), (142485, 197614)]