211007080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{170167}}^1$

素因数の和:170209

約数の個数: 32

約数和(自身を含む): 490083840

約数和(自身を除く): 279076760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 170167, 340334, 680668, 850835, 1361336, 1701670, 3403340, 5275177, 6806680, 10550354, 21100708, 26375885, 42201416, 52751770, 105503540, 211007080]

約数ペア:

[(1, 211007080), (2, 105503540), (4, 52751770), (5, 42201416), (8, 26375885), (10, 21100708), (20, 10550354), (31, 6806680), (40, 5275177), (62, 3403340), (124, 1701670), (155, 1361336), (248, 850835), (310, 680668), (620, 340334), (1240, 170167)]