988894890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{477727}}^1$

素因数の和:477763

約数の個数: 48

約数和(自身を含む): 2682920448

約数和(自身を除く): 1694025558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 477727, 955454, 1433181, 2388635, 2866362, 4299543, 4777270, 7165905, 8599086, 10987721, 14331810, 21497715, 21975442, 32963163, 42995430, 54938605, 65926326, 98889489, 109877210, 164815815, 197778978, 329631630, 494447445, 988894890]

約数ペア:

[(1, 988894890), (2, 494447445), (3, 329631630), (5, 197778978), (6, 164815815), (9, 109877210), (10, 98889489), (15, 65926326), (18, 54938605), (23, 42995430), (30, 32963163), (45, 21975442), (46, 21497715), (69, 14331810), (90, 10987721), (115, 8599086), (138, 7165905), (207, 4777270), (230, 4299543), (345, 2866362), (414, 2388635), (690, 1433181), (1035, 955454), (2070, 477727)]