7929740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4386

約数の個数: 48

約数和(自身を含む): 20500032

約数和(自身を除く): 12570292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4357, 8714, 17428, 21785, 30499, 43570, 56641, 60998, 87140, 113282, 121996, 152495, 226564, 283205, 304990, 396487, 566410, 609980, 792974, 1132820, 1585948, 1982435, 3964870, 7929740]

約数ペア:

[(1, 7929740), (2, 3964870), (4, 1982435), (5, 1585948), (7, 1132820), (10, 792974), (13, 609980), (14, 566410), (20, 396487), (26, 304990), (28, 283205), (35, 226564), (52, 152495), (65, 121996), (70, 113282), (91, 87140), (130, 60998), (140, 56641), (182, 43570), (260, 30499), (364, 21785), (455, 17428), (910, 8714), (1820, 4357)]