242549240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1699}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 565488000

約数和(自身を除く): 322938760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 1660, 1699, 1720, 3320, 3398, 3569, 6796, 7138, 8495, 13592, 14276, 16990, 17845, 28552, 33980, 35690, 67960, 71380, 73057, 141017, 142760, 146114, 282034, 292228, 365285, 564068, 584456, 705085, 730570, 1128136, 1410170, 1461140, 2820340, 2922280, 5640680, 6063731, 12127462, 24254924, 30318655, 48509848, 60637310, 121274620, 242549240]

約数ペア:

[(1, 242549240), (2, 121274620), (4, 60637310), (5, 48509848), (8, 30318655), (10, 24254924), (20, 12127462), (40, 6063731), (43, 5640680), (83, 2922280), (86, 2820340), (166, 1461140), (172, 1410170), (215, 1128136), (332, 730570), (344, 705085), (415, 584456), (430, 564068), (664, 365285), (830, 292228), (860, 282034), (1660, 146114), (1699, 142760), (1720, 141017), (3320, 73057), (3398, 71380), (3569, 67960), (6796, 35690), (7138, 33980), (8495, 28552), (13592, 17845), (14276, 16990)]