290195270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{4457}}^1$

素因数の和:4864

約数の個数: 32

約数和(自身を含む): 554646528

約数和(自身を除く): 264451258

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 383, 766, 1915, 3830, 4457, 6511, 8914, 13022, 22285, 32555, 44570, 65110, 75769, 151538, 378845, 757690, 1707031, 3414062, 8535155, 17070310, 29019527, 58039054, 145097635, 290195270]

約数ペア:

[(1, 290195270), (2, 145097635), (5, 58039054), (10, 29019527), (17, 17070310), (34, 8535155), (85, 3414062), (170, 1707031), (383, 757690), (766, 378845), (1915, 151538), (3830, 75769), (4457, 65110), (6511, 44570), (8914, 32555), (13022, 22285)]