173828420

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{8951}}^1$

素因数の和:9931

約数の個数: 24

約数和(自身を含む): 365456448

約数和(自身を除く): 191628028

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 8951, 9710, 17902, 19420, 35804, 44755, 89510, 179020, 8691421, 17382842, 34765684, 43457105, 86914210, 173828420]

約数ペア:

[(1, 173828420), (2, 86914210), (4, 43457105), (5, 34765684), (10, 17382842), (20, 8691421), (971, 179020), (1942, 89510), (3884, 44755), (4855, 35804), (8951, 19420), (9710, 17902)]