420042290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{52571}}^1$

素因数の和:52642

約数の個数: 32

約数和(自身を含む): 817599744

約数和(自身を除く): 397557454

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 3995, 7990, 52571, 105142, 262855, 525710, 893707, 1787414, 2470837, 4468535, 4941674, 8937070, 12354185, 24708370, 42004229, 84008458, 210021145, 420042290]

約数ペア:

[(1, 420042290), (2, 210021145), (5, 84008458), (10, 42004229), (17, 24708370), (34, 12354185), (47, 8937070), (85, 4941674), (94, 4468535), (170, 2470837), (235, 1787414), (470, 893707), (799, 525710), (1598, 262855), (3995, 105142), (7990, 52571)]