642260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 1428840

約数和(自身を除く): 786580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1889, 3778, 7556, 9445, 18890, 32113, 37780, 64226, 128452, 160565, 321130, 642260]

約数ペア:

[(1, 642260), (2, 321130), (4, 160565), (5, 128452), (10, 64226), (17, 37780), (20, 32113), (34, 18890), (68, 9445), (85, 7556), (170, 3778), (340, 1889)]