853640180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1376839}}^1$

素因数の和:1376879

約数の個数: 24

約数和(自身を含む): 1850472960

約数和(自身を除く): 996832780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1376839, 2753678, 5507356, 6884195, 13768390, 27536780, 42682009, 85364018, 170728036, 213410045, 426820090, 853640180]

約数ペア:

[(1, 853640180), (2, 426820090), (4, 213410045), (5, 170728036), (10, 85364018), (20, 42682009), (31, 27536780), (62, 13768390), (124, 6884195), (155, 5507356), (310, 2753678), (620, 1376839)]