31372180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{677}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 75632256

約数和(自身を除く): 44260076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 677, 1324, 1354, 1655, 2317, 2708, 3310, 3385, 4634, 4739, 6620, 6770, 9268, 9478, 11585, 13540, 18956, 23170, 23695, 46340, 47390, 94780, 224087, 448174, 896348, 1120435, 1568609, 2240870, 3137218, 4481740, 6274436, 7843045, 15686090, 31372180]

約数ペア:

[(1, 31372180), (2, 15686090), (4, 7843045), (5, 6274436), (7, 4481740), (10, 3137218), (14, 2240870), (20, 1568609), (28, 1120435), (35, 896348), (70, 448174), (140, 224087), (331, 94780), (662, 47390), (677, 46340), (1324, 23695), (1354, 23170), (1655, 18956), (2317, 13540), (2708, 11585), (3310, 9478), (3385, 9268), (4634, 6770), (4739, 6620)]