157410520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{829}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 365731200

約数和(自身を除く): 208320680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 101, 188, 202, 235, 376, 404, 470, 505, 808, 829, 940, 1010, 1658, 1880, 2020, 3316, 4040, 4145, 4747, 6632, 8290, 9494, 16580, 18988, 23735, 33160, 37976, 38963, 47470, 77926, 83729, 94940, 155852, 167458, 189880, 194815, 311704, 334916, 389630, 418645, 669832, 779260, 837290, 1558520, 1674580, 3349160, 3935263, 7870526, 15741052, 19676315, 31482104, 39352630, 78705260, 157410520]

約数ペア:

[(1, 157410520), (2, 78705260), (4, 39352630), (5, 31482104), (8, 19676315), (10, 15741052), (20, 7870526), (40, 3935263), (47, 3349160), (94, 1674580), (101, 1558520), (188, 837290), (202, 779260), (235, 669832), (376, 418645), (404, 389630), (470, 334916), (505, 311704), (808, 194815), (829, 189880), (940, 167458), (1010, 155852), (1658, 94940), (1880, 83729), (2020, 77926), (3316, 47470), (4040, 38963), (4145, 37976), (4747, 33160), (6632, 23735), (8290, 18988), (9494, 16580)]