289931360

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11117}}^1$

素因数の和:11295

約数の個数: 48

約数和(自身を含む): 689227056

約数和(自身を除く): 399295696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 11117, 13040, 22234, 26080, 44468, 55585, 88936, 111170, 177872, 222340, 355744, 444680, 889360, 1778720, 1812071, 3624142, 7248284, 9060355, 14496568, 18120710, 28993136, 36241420, 57986272, 72482840, 144965680, 289931360]

約数ペア:

[(1, 289931360), (2, 144965680), (4, 72482840), (5, 57986272), (8, 36241420), (10, 28993136), (16, 18120710), (20, 14496568), (32, 9060355), (40, 7248284), (80, 3624142), (160, 1812071), (163, 1778720), (326, 889360), (652, 444680), (815, 355744), (1304, 222340), (1630, 177872), (2608, 111170), (3260, 88936), (5216, 55585), (6520, 44468), (11117, 26080), (13040, 22234)]