870824420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{4231}}^1$

素因数の和:4532

約数の個数: 48

約数和(自身を含む): 1881242496

約数和(自身を除く): 1010418076

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 251, 410, 502, 820, 1004, 1255, 2510, 4231, 5020, 8462, 10291, 16924, 20582, 21155, 41164, 42310, 51455, 84620, 102910, 173471, 205820, 346942, 693884, 867355, 1061981, 1734710, 2123962, 3469420, 4247924, 5309905, 10619810, 21239620, 43541221, 87082442, 174164884, 217706105, 435412210, 870824420]

約数ペア:

[(1, 870824420), (2, 435412210), (4, 217706105), (5, 174164884), (10, 87082442), (20, 43541221), (41, 21239620), (82, 10619810), (164, 5309905), (205, 4247924), (251, 3469420), (410, 2123962), (502, 1734710), (820, 1061981), (1004, 867355), (1255, 693884), (2510, 346942), (4231, 205820), (5020, 173471), (8462, 102910), (10291, 84620), (16924, 51455), (20582, 42310), (21155, 41164)]