313699940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{1601}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 672570864

約数和(自身を除く): 358870924

約数列:

[1, 2, 4, 5, 10, 20, 97, 101, 194, 202, 388, 404, 485, 505, 970, 1010, 1601, 1940, 2020, 3202, 6404, 8005, 9797, 16010, 19594, 32020, 39188, 48985, 97970, 155297, 161701, 195940, 310594, 323402, 621188, 646804, 776485, 808505, 1552970, 1617010, 3105940, 3234020, 15684997, 31369994, 62739988, 78424985, 156849970, 313699940]

約数ペア:

[(1, 313699940), (2, 156849970), (4, 78424985), (5, 62739988), (10, 31369994), (20, 15684997), (97, 3234020), (101, 3105940), (194, 1617010), (202, 1552970), (388, 808505), (404, 776485), (485, 646804), (505, 621188), (970, 323402), (1010, 310594), (1601, 195940), (1940, 161701), (2020, 155297), (3202, 97970), (6404, 48985), (8005, 39188), (9797, 32020), (16010, 19594)]