201555640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 538513920

約数和(自身を除く): 336958280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 167, 211, 220, 260, 286, 334, 422, 440, 520, 572, 668, 715, 835, 844, 1055, 1144, 1336, 1430, 1670, 1688, 1837, 2110, 2171, 2321, 2743, 2860, 3340, 3674, 4220, 4342, 4642, 5486, 5720, 6680, 7348, 8440, 8684, 9185, 9284, 10855, 10972, 11605, 13715, 14696, 17368, 18370, 18568, 21710, 21944, 23210, 23881, 27430, 30173, 35237, 36740, 43420, 46420, 47762, 54860, 60346, 70474, 73480, 86840, 92840, 95524, 109720, 119405, 120692, 140948, 150865, 176185, 191048, 238810, 241384, 281896, 301730, 352370, 387607, 458081, 477620, 603460, 704740, 775214, 916162, 955240, 1206920, 1409480, 1550428, 1832324, 1938035, 2290405, 3100856, 3664648, 3876070, 4580810, 5038891, 7752140, 9161620, 10077782, 15504280, 18323240, 20155564, 25194455, 40311128, 50388910, 100777820, 201555640]

約数ペア:

[(1, 201555640), (2, 100777820), (4, 50388910), (5, 40311128), (8, 25194455), (10, 20155564), (11, 18323240), (13, 15504280), (20, 10077782), (22, 9161620), (26, 7752140), (40, 5038891), (44, 4580810), (52, 3876070), (55, 3664648), (65, 3100856), (88, 2290405), (104, 1938035), (110, 1832324), (130, 1550428), (143, 1409480), (167, 1206920), (211, 955240), (220, 916162), (260, 775214), (286, 704740), (334, 603460), (422, 477620), (440, 458081), (520, 387607), (572, 352370), (668, 301730), (715, 281896), (835, 241384), (844, 238810), (1055, 191048), (1144, 176185), (1336, 150865), (1430, 140948), (1670, 120692), (1688, 119405), (1837, 109720), (2110, 95524), (2171, 92840), (2321, 86840), (2743, 73480), (2860, 70474), (3340, 60346), (3674, 54860), (4220, 47762), (4342, 46420), (4642, 43420), (5486, 36740), (5720, 35237), (6680, 30173), (7348, 27430), (8440, 23881), (8684, 23210), (9185, 21944), (9284, 21710), (10855, 18568), (10972, 18370), (11605, 17368), (13715, 14696)]