12140890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4201}}^1$

素因数の和:4242

約数の個数: 24

約数和(自身を含む): 23220252

約数和(自身を除く): 11079362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 4201, 8402, 21005, 42010, 71417, 142834, 357085, 714170, 1214089, 2428178, 6070445, 12140890]

約数ペア:

[(1, 12140890), (2, 6070445), (5, 2428178), (10, 1214089), (17, 714170), (34, 357085), (85, 142834), (170, 71417), (289, 42010), (578, 21005), (1445, 8402), (2890, 4201)]