977897740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1\times {\mathrm{1103}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 2081181312

約数和(自身を除く): 1103283572

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 457, 485, 914, 970, 1103, 1828, 1940, 2206, 2285, 4412, 4570, 5515, 9140, 11030, 22060, 44329, 88658, 106991, 177316, 213982, 221645, 427964, 443290, 504071, 534955, 886580, 1008142, 1069910, 2016284, 2139820, 2520355, 5040710, 10081420, 48894887, 97789774, 195579548, 244474435, 488948870, 977897740]

約数ペア:

[(1, 977897740), (2, 488948870), (4, 244474435), (5, 195579548), (10, 97789774), (20, 48894887), (97, 10081420), (194, 5040710), (388, 2520355), (457, 2139820), (485, 2016284), (914, 1069910), (970, 1008142), (1103, 886580), (1828, 534955), (1940, 504071), (2206, 443290), (2285, 427964), (4412, 221645), (4570, 213982), (5515, 177316), (9140, 106991), (11030, 88658), (22060, 44329)]