538200580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{911}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 1146055680

約数和(自身を除く): 607855100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 271, 436, 542, 545, 911, 1084, 1090, 1355, 1822, 2180, 2710, 3644, 4555, 5420, 9110, 18220, 29539, 59078, 99299, 118156, 147695, 198598, 246881, 295390, 397196, 493762, 496495, 590780, 987524, 992990, 1234405, 1985980, 2468810, 4937620, 26910029, 53820058, 107640116, 134550145, 269100290, 538200580]

約数ペア:

[(1, 538200580), (2, 269100290), (4, 134550145), (5, 107640116), (10, 53820058), (20, 26910029), (109, 4937620), (218, 2468810), (271, 1985980), (436, 1234405), (542, 992990), (545, 987524), (911, 590780), (1084, 496495), (1090, 493762), (1355, 397196), (1822, 295390), (2180, 246881), (2710, 198598), (3644, 147695), (4555, 118156), (5420, 99299), (9110, 59078), (18220, 29539)]