1330900660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{3209}}^1$

素因数の和:3540

約数の個数: 48

約数和(自身を含む): 2839309200

約数和(自身を除く): 1508408540

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 233, 356, 445, 466, 890, 932, 1165, 1780, 2330, 3209, 4660, 6418, 12836, 16045, 20737, 32090, 41474, 64180, 82948, 103685, 207370, 285601, 414740, 571202, 747697, 1142404, 1428005, 1495394, 2856010, 2990788, 3738485, 5712020, 7476970, 14953940, 66545033, 133090066, 266180132, 332725165, 665450330, 1330900660]

約数ペア:

[(1, 1330900660), (2, 665450330), (4, 332725165), (5, 266180132), (10, 133090066), (20, 66545033), (89, 14953940), (178, 7476970), (233, 5712020), (356, 3738485), (445, 2990788), (466, 2856010), (890, 1495394), (932, 1428005), (1165, 1142404), (1780, 747697), (2330, 571202), (3209, 414740), (4660, 285601), (6418, 207370), (12836, 103685), (16045, 82948), (20737, 64180), (32090, 41474)]