381517840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{3583}}^1$

素因数の和:3629

約数の個数: 80

約数和(自身を含む): 975937536

約数和(自身を除く): 594419696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1331, 1936, 2420, 2662, 3583, 4840, 5324, 6655, 7166, 9680, 10648, 13310, 14332, 17915, 21296, 26620, 28664, 35830, 39413, 53240, 57328, 71660, 78826, 106480, 143320, 157652, 197065, 286640, 315304, 394130, 433543, 630608, 788260, 867086, 1576520, 1734172, 2167715, 3153040, 3468344, 4335430, 4768973, 6936688, 8670860, 9537946, 17341720, 19075892, 23844865, 34683440, 38151784, 47689730, 76303568, 95379460, 190758920, 381517840]

約数ペア:

[(1, 381517840), (2, 190758920), (4, 95379460), (5, 76303568), (8, 47689730), (10, 38151784), (11, 34683440), (16, 23844865), (20, 19075892), (22, 17341720), (40, 9537946), (44, 8670860), (55, 6936688), (80, 4768973), (88, 4335430), (110, 3468344), (121, 3153040), (176, 2167715), (220, 1734172), (242, 1576520), (440, 867086), (484, 788260), (605, 630608), (880, 433543), (968, 394130), (1210, 315304), (1331, 286640), (1936, 197065), (2420, 157652), (2662, 143320), (3583, 106480), (4840, 78826), (5324, 71660), (6655, 57328), (7166, 53240), (9680, 39413), (10648, 35830), (13310, 28664), (14332, 26620), (17915, 21296)]