198366680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 455868000

約数和(自身を除く): 257501320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 149, 166, 298, 332, 401, 415, 596, 664, 745, 802, 830, 1192, 1490, 1604, 1660, 2005, 2980, 3208, 3320, 4010, 5960, 8020, 12367, 16040, 24734, 33283, 49468, 59749, 61835, 66566, 98936, 119498, 123670, 133132, 166415, 238996, 247340, 266264, 298745, 332830, 477992, 494680, 597490, 665660, 1194980, 1331320, 2389960, 4959167, 9918334, 19836668, 24795835, 39673336, 49591670, 99183340, 198366680]

約数ペア:

[(1, 198366680), (2, 99183340), (4, 49591670), (5, 39673336), (8, 24795835), (10, 19836668), (20, 9918334), (40, 4959167), (83, 2389960), (149, 1331320), (166, 1194980), (298, 665660), (332, 597490), (401, 494680), (415, 477992), (596, 332830), (664, 298745), (745, 266264), (802, 247340), (830, 238996), (1192, 166415), (1490, 133132), (1604, 123670), (1660, 119498), (2005, 98936), (2980, 66566), (3208, 61835), (3320, 59749), (4010, 49468), (5960, 33283), (8020, 24734), (12367, 16040)]