213014920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1094

約数の個数: 64

約数和(自身を含む): 495817920

約数和(自身を除く): 282803000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 163, 185, 296, 326, 370, 652, 740, 815, 883, 1304, 1480, 1630, 1766, 3260, 3532, 4415, 6031, 6520, 7064, 8830, 12062, 17660, 24124, 30155, 32671, 35320, 48248, 60310, 65342, 120620, 130684, 143929, 163355, 241240, 261368, 287858, 326710, 575716, 653420, 719645, 1151432, 1306840, 1439290, 2878580, 5325373, 5757160, 10650746, 21301492, 26626865, 42602984, 53253730, 106507460, 213014920]

約数ペア:

[(1, 213014920), (2, 106507460), (4, 53253730), (5, 42602984), (8, 26626865), (10, 21301492), (20, 10650746), (37, 5757160), (40, 5325373), (74, 2878580), (148, 1439290), (163, 1306840), (185, 1151432), (296, 719645), (326, 653420), (370, 575716), (652, 326710), (740, 287858), (815, 261368), (883, 241240), (1304, 163355), (1480, 143929), (1630, 130684), (1766, 120620), (3260, 65342), (3532, 60310), (4415, 48248), (6031, 35320), (6520, 32671), (7064, 30155), (8830, 24124), (12062, 17660)]