828562220

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 1755280800

約数和(自身を除く): 926718580

約数列:

[1, 2, 4, 5, 10, 20, 281, 379, 389, 562, 758, 778, 1124, 1405, 1516, 1556, 1895, 1945, 2810, 3790, 3890, 5620, 7580, 7780, 106499, 109309, 147431, 212998, 218618, 294862, 425996, 437236, 532495, 546545, 589724, 737155, 1064990, 1093090, 1474310, 2129980, 2186180, 2948620, 41428111, 82856222, 165712444, 207140555, 414281110, 828562220]

約数ペア:

[(1, 828562220), (2, 414281110), (4, 207140555), (5, 165712444), (10, 82856222), (20, 41428111), (281, 2948620), (379, 2186180), (389, 2129980), (562, 1474310), (758, 1093090), (778, 1064990), (1124, 737155), (1405, 589724), (1516, 546545), (1556, 532495), (1895, 437236), (1945, 425996), (2810, 294862), (3790, 218618), (3890, 212998), (5620, 147431), (7580, 109309), (7780, 106499)]