157213960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{231197}}^1$

素因数の和:231225

約数の個数: 32

約数和(自身を含む): 374540760

約数和(自身を除く): 217326800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 231197, 462394, 924788, 1155985, 1849576, 2311970, 3930349, 4623940, 7860698, 9247880, 15721396, 19651745, 31442792, 39303490, 78606980, 157213960]

約数ペア:

[(1, 157213960), (2, 78606980), (4, 39303490), (5, 31442792), (8, 19651745), (10, 15721396), (17, 9247880), (20, 7860698), (34, 4623940), (40, 3930349), (68, 2311970), (85, 1849576), (136, 1155985), (170, 924788), (340, 462394), (680, 231197)]