99391960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 230014080

約数和(自身を除く): 130622120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 173, 212, 265, 271, 346, 424, 530, 542, 692, 865, 1060, 1084, 1355, 1384, 1730, 2120, 2168, 2710, 3460, 5420, 6920, 9169, 10840, 14363, 18338, 28726, 36676, 45845, 46883, 57452, 71815, 73352, 91690, 93766, 114904, 143630, 183380, 187532, 234415, 287260, 366760, 375064, 468830, 574520, 937660, 1875320, 2484799, 4969598, 9939196, 12423995, 19878392, 24847990, 49695980, 99391960]

約数ペア:

[(1, 99391960), (2, 49695980), (4, 24847990), (5, 19878392), (8, 12423995), (10, 9939196), (20, 4969598), (40, 2484799), (53, 1875320), (106, 937660), (173, 574520), (212, 468830), (265, 375064), (271, 366760), (346, 287260), (424, 234415), (530, 187532), (542, 183380), (692, 143630), (865, 114904), (1060, 93766), (1084, 91690), (1355, 73352), (1384, 71815), (1730, 57452), (2120, 46883), (2168, 45845), (2710, 36676), (3460, 28726), (5420, 18338), (6920, 14363), (9169, 10840)]