289734370

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{1873}}^1$

素因数の和:2410

約数の個数: 32

約数和(自身を含む): 539712000

約数和(自身を除く): 249977630

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 499, 998, 1873, 2495, 3746, 4990, 9365, 15469, 18730, 30938, 58063, 77345, 116126, 154690, 290315, 580630, 934627, 1869254, 4673135, 9346270, 28973437, 57946874, 144867185, 289734370]

約数ペア:

[(1, 289734370), (2, 144867185), (5, 57946874), (10, 28973437), (31, 9346270), (62, 4673135), (155, 1869254), (310, 934627), (499, 580630), (998, 290315), (1873, 154690), (2495, 116126), (3746, 77345), (4990, 58063), (9365, 30938), (15469, 18730)]