490709780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{14207}}^1$

素因数の和:14384

約数の個数: 48

約数和(自身を含む): 1131411456

約数和(自身を除く): 640701676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 6908, 8635, 14207, 17270, 28414, 34540, 56828, 71035, 142070, 156277, 284140, 312554, 625108, 781385, 1562770, 2230499, 3125540, 4460998, 8921996, 11152495, 22304990, 24535489, 44609980, 49070978, 98141956, 122677445, 245354890, 490709780]

約数ペア:

[(1, 490709780), (2, 245354890), (4, 122677445), (5, 98141956), (10, 49070978), (11, 44609980), (20, 24535489), (22, 22304990), (44, 11152495), (55, 8921996), (110, 4460998), (157, 3125540), (220, 2230499), (314, 1562770), (628, 781385), (785, 625108), (1570, 312554), (1727, 284140), (3140, 156277), (3454, 142070), (6908, 71035), (8635, 56828), (14207, 34540), (17270, 28414)]