253808860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{309523}}^1$

素因数の和:309573

約数の個数: 24

約数和(自身を含む): 546000336

約数和(自身を除く): 292191476

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 309523, 619046, 1238092, 1547615, 3095230, 6190460, 12690443, 25380886, 50761772, 63452215, 126904430, 253808860]

約数ペア:

[(1, 253808860), (2, 126904430), (4, 63452215), (5, 50761772), (10, 25380886), (20, 12690443), (41, 6190460), (82, 3095230), (164, 1547615), (205, 1238092), (410, 619046), (820, 309523)]