7929820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 17908128

約数和(自身を除く): 9978308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 281, 332, 340, 415, 562, 830, 1124, 1405, 1411, 1660, 2810, 2822, 4777, 5620, 5644, 7055, 9554, 14110, 19108, 23323, 23885, 28220, 46646, 47770, 93292, 95540, 116615, 233230, 396491, 466460, 792982, 1585964, 1982455, 3964910, 7929820]

約数ペア:

[(1, 7929820), (2, 3964910), (4, 1982455), (5, 1585964), (10, 792982), (17, 466460), (20, 396491), (34, 233230), (68, 116615), (83, 95540), (85, 93292), (166, 47770), (170, 46646), (281, 28220), (332, 23885), (340, 23323), (415, 19108), (562, 14110), (830, 9554), (1124, 7055), (1405, 5644), (1411, 5620), (1660, 4777), (2810, 2822)]