244098920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 639303840

約数和(自身を除く): 395204920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 53, 65, 68, 85, 104, 106, 130, 136, 170, 212, 221, 260, 265, 340, 424, 442, 520, 521, 530, 680, 689, 884, 901, 1042, 1060, 1105, 1378, 1768, 1802, 2084, 2120, 2210, 2605, 2756, 3445, 3604, 4168, 4420, 4505, 5210, 5512, 6773, 6890, 7208, 8840, 8857, 9010, 10420, 11713, 13546, 13780, 17714, 18020, 20840, 23426, 27092, 27560, 27613, 33865, 35428, 36040, 44285, 46852, 54184, 55226, 58565, 67730, 70856, 88570, 93704, 110452, 115141, 117130, 135460, 138065, 177140, 220904, 230282, 234260, 270920, 276130, 354280, 358969, 460564, 468520, 469421, 552260, 575705, 717938, 921128, 938842, 1104520, 1151410, 1435876, 1794845, 1877684, 2302820, 2347105, 2871752, 3589690, 3755368, 4605640, 4694210, 6102473, 7179380, 9388420, 12204946, 14358760, 18776840, 24409892, 30512365, 48819784, 61024730, 122049460, 244098920]

約数ペア:

[(1, 244098920), (2, 122049460), (4, 61024730), (5, 48819784), (8, 30512365), (10, 24409892), (13, 18776840), (17, 14358760), (20, 12204946), (26, 9388420), (34, 7179380), (40, 6102473), (52, 4694210), (53, 4605640), (65, 3755368), (68, 3589690), (85, 2871752), (104, 2347105), (106, 2302820), (130, 1877684), (136, 1794845), (170, 1435876), (212, 1151410), (221, 1104520), (260, 938842), (265, 921128), (340, 717938), (424, 575705), (442, 552260), (520, 469421), (521, 468520), (530, 460564), (680, 358969), (689, 354280), (884, 276130), (901, 270920), (1042, 234260), (1060, 230282), (1105, 220904), (1378, 177140), (1768, 138065), (1802, 135460), (2084, 117130), (2120, 115141), (2210, 110452), (2605, 93704), (2756, 88570), (3445, 70856), (3604, 67730), (4168, 58565), (4420, 55226), (4505, 54184), (5210, 46852), (5512, 44285), (6773, 36040), (6890, 35428), (7208, 33865), (8840, 27613), (8857, 27560), (9010, 27092), (10420, 23426), (11713, 20840), (13546, 18020), (13780, 17714)]