201560180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{971}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 432081216

約数和(自身を除く): 230521036

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 194, 214, 388, 428, 485, 535, 970, 971, 1070, 1940, 1942, 2140, 3884, 4855, 9710, 10379, 19420, 20758, 41516, 51895, 94187, 103790, 103897, 188374, 207580, 207794, 376748, 415588, 470935, 519485, 941870, 1038970, 1883740, 2077940, 10078009, 20156018, 40312036, 50390045, 100780090, 201560180]

約数ペア:

[(1, 201560180), (2, 100780090), (4, 50390045), (5, 40312036), (10, 20156018), (20, 10078009), (97, 2077940), (107, 1883740), (194, 1038970), (214, 941870), (388, 519485), (428, 470935), (485, 415588), (535, 376748), (970, 207794), (971, 207580), (1070, 188374), (1940, 103897), (1942, 103790), (2140, 94187), (3884, 51895), (4855, 41516), (9710, 20758), (10379, 19420)]