205854220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 512096256

約数和(自身を除く): 306242036

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 167, 220, 260, 286, 334, 431, 572, 668, 715, 835, 862, 1430, 1670, 1724, 1837, 2155, 2171, 2860, 3340, 3674, 4310, 4342, 4741, 5603, 7348, 8620, 8684, 9185, 9482, 10855, 11206, 18370, 18964, 21710, 22412, 23705, 23881, 28015, 36740, 43420, 47410, 47762, 56030, 61633, 71977, 94820, 95524, 112060, 119405, 123266, 143954, 238810, 246532, 287908, 308165, 359885, 477620, 616330, 719770, 791747, 935701, 1232660, 1439540, 1583494, 1871402, 3166988, 3742804, 3958735, 4678505, 7917470, 9357010, 10292711, 15834940, 18714020, 20585422, 41170844, 51463555, 102927110, 205854220]

約数ペア:

[(1, 205854220), (2, 102927110), (4, 51463555), (5, 41170844), (10, 20585422), (11, 18714020), (13, 15834940), (20, 10292711), (22, 9357010), (26, 7917470), (44, 4678505), (52, 3958735), (55, 3742804), (65, 3166988), (110, 1871402), (130, 1583494), (143, 1439540), (167, 1232660), (220, 935701), (260, 791747), (286, 719770), (334, 616330), (431, 477620), (572, 359885), (668, 308165), (715, 287908), (835, 246532), (862, 238810), (1430, 143954), (1670, 123266), (1724, 119405), (1837, 112060), (2155, 95524), (2171, 94820), (2860, 71977), (3340, 61633), (3674, 56030), (4310, 47762), (4342, 47410), (4741, 43420), (5603, 36740), (7348, 28015), (8620, 23881), (8684, 23705), (9185, 22412), (9482, 21710), (10855, 18964), (11206, 18370)]