2912180740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{881}}^1\times {\mathrm{3373}}^1$

素因数の和:4277

約数の個数: 72

約数和(自身を含む): 7124227992

約数和(自身を除く): 4212047252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 881, 980, 1762, 3373, 3524, 4405, 6167, 6746, 8810, 12334, 13492, 16865, 17620, 23611, 24668, 30835, 33730, 43169, 47222, 61670, 67460, 86338, 94444, 118055, 123340, 165277, 172676, 215845, 236110, 330554, 431690, 472220, 661108, 826385, 863380, 1652770, 2971613, 3305540, 5943226, 11886452, 14858065, 20801291, 29716130, 41602582, 59432260, 83205164, 104006455, 145609037, 208012910, 291218074, 416025820, 582436148, 728045185, 1456090370, 2912180740]

約数ペア:

[(1, 2912180740), (2, 1456090370), (4, 728045185), (5, 582436148), (7, 416025820), (10, 291218074), (14, 208012910), (20, 145609037), (28, 104006455), (35, 83205164), (49, 59432260), (70, 41602582), (98, 29716130), (140, 20801291), (196, 14858065), (245, 11886452), (490, 5943226), (881, 3305540), (980, 2971613), (1762, 1652770), (3373, 863380), (3524, 826385), (4405, 661108), (6167, 472220), (6746, 431690), (8810, 330554), (12334, 236110), (13492, 215845), (16865, 172676), (17620, 165277), (23611, 123340), (24668, 118055), (30835, 94444), (33730, 86338), (43169, 67460), (47222, 61670)]