945820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 2112264

約数和(自身を除く): 1166444

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 361, 380, 524, 655, 722, 1310, 1444, 1805, 2489, 2620, 3610, 4978, 7220, 9956, 12445, 24890, 47291, 49780, 94582, 189164, 236455, 472910, 945820]

約数ペア:

[(1, 945820), (2, 472910), (4, 236455), (5, 189164), (10, 94582), (19, 49780), (20, 47291), (38, 24890), (76, 12445), (95, 9956), (131, 7220), (190, 4978), (262, 3610), (361, 2620), (380, 2489), (524, 1805), (655, 1444), (722, 1310)]