280390690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{97021}}^1$

素因数の和:97062

約数の個数: 24

約数和(自身を含む): 536143572

約数和(自身を除く): 255752882

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 97021, 194042, 485105, 970210, 1649357, 3298714, 8246785, 16493570, 28039069, 56078138, 140195345, 280390690]

約数ペア:

[(1, 280390690), (2, 140195345), (5, 56078138), (10, 28039069), (17, 16493570), (34, 8246785), (85, 3298714), (170, 1649357), (289, 970210), (578, 485105), (1445, 194042), (2890, 97021)]