56978140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 122933664

約数和(自身を除く): 65955524

約数列:

[1, 2, 4, 5, 10, 20, 67, 101, 134, 202, 268, 335, 404, 421, 505, 670, 842, 1010, 1340, 1684, 2020, 2105, 4210, 6767, 8420, 13534, 27068, 28207, 33835, 42521, 56414, 67670, 85042, 112828, 135340, 141035, 170084, 212605, 282070, 425210, 564140, 850420, 2848907, 5697814, 11395628, 14244535, 28489070, 56978140]

約数ペア:

[(1, 56978140), (2, 28489070), (4, 14244535), (5, 11395628), (10, 5697814), (20, 2848907), (67, 850420), (101, 564140), (134, 425210), (202, 282070), (268, 212605), (335, 170084), (404, 141035), (421, 135340), (505, 112828), (670, 85042), (842, 67670), (1010, 56414), (1340, 42521), (1684, 33835), (2020, 28207), (2105, 27068), (4210, 13534), (6767, 8420)]