187788004580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{494257}}^1$

素因数の和:494445

約数の個数: 72

約数和(自身を含む): 436226179704

約数和(自身を除く): 248438175124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 157, 220, 242, 314, 484, 605, 628, 785, 1210, 1570, 1727, 2420, 3140, 3454, 6908, 8635, 17270, 18997, 34540, 37994, 75988, 94985, 189970, 379940, 494257, 988514, 1977028, 2471285, 4942570, 5436827, 9885140, 10873654, 21747308, 27184135, 54368270, 59805097, 77598349, 108736540, 119610194, 155196698, 239220388, 299025485, 310393396, 387991745, 598050970, 775983490, 853581839, 1196101940, 1551966980, 1707163678, 3414327356, 4267909195, 8535818390, 9389400229, 17071636780, 18778800458, 37557600916, 46947001145, 93894002290, 187788004580]

約数ペア:

[(1, 187788004580), (2, 93894002290), (4, 46947001145), (5, 37557600916), (10, 18778800458), (11, 17071636780), (20, 9389400229), (22, 8535818390), (44, 4267909195), (55, 3414327356), (110, 1707163678), (121, 1551966980), (157, 1196101940), (220, 853581839), (242, 775983490), (314, 598050970), (484, 387991745), (605, 310393396), (628, 299025485), (785, 239220388), (1210, 155196698), (1570, 119610194), (1727, 108736540), (2420, 77598349), (3140, 59805097), (3454, 54368270), (6908, 27184135), (8635, 21747308), (17270, 10873654), (18997, 9885140), (34540, 5436827), (37994, 4942570), (75988, 2471285), (94985, 1977028), (189970, 988514), (379940, 494257)]