157429520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115757}}^1$

素因数の和:115787

約数の個数: 40

約数和(自身を含む): 387557784

約数和(自身を除く): 230128264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 115757, 231514, 463028, 578785, 926056, 1157570, 1852112, 1967869, 2315140, 3935738, 4630280, 7871476, 9260560, 9839345, 15742952, 19678690, 31485904, 39357380, 78714760, 157429520]

約数ペア:

[(1, 157429520), (2, 78714760), (4, 39357380), (5, 31485904), (8, 19678690), (10, 15742952), (16, 9839345), (17, 9260560), (20, 7871476), (34, 4630280), (40, 3935738), (68, 2315140), (80, 1967869), (85, 1852112), (136, 1157570), (170, 926056), (272, 578785), (340, 463028), (680, 231514), (1360, 115757)]