289451380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{4337}}^1$

素因数の和:4464

約数の個数: 48

約数和(自身を含む): 629669376

約数和(自身を除く): 340217996

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 470, 710, 940, 1420, 3337, 4337, 6674, 8674, 13348, 16685, 17348, 21685, 33370, 43370, 66740, 86740, 203839, 307927, 407678, 615854, 815356, 1019195, 1231708, 1539635, 2038390, 3079270, 4076780, 6158540, 14472569, 28945138, 57890276, 72362845, 144725690, 289451380]

約数ペア:

[(1, 289451380), (2, 144725690), (4, 72362845), (5, 57890276), (10, 28945138), (20, 14472569), (47, 6158540), (71, 4076780), (94, 3079270), (142, 2038390), (188, 1539635), (235, 1231708), (284, 1019195), (355, 815356), (470, 615854), (710, 407678), (940, 307927), (1420, 203839), (3337, 86740), (4337, 66740), (6674, 43370), (8674, 33370), (13348, 21685), (16685, 17348)]