248832290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{507821}}^1$

素因数の和:507842

約数の個数: 24

約数和(自身を含む): 521025372

約数和(自身を除く): 272193082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 507821, 1015642, 2539105, 3554747, 5078210, 7109494, 17773735, 24883229, 35547470, 49766458, 124416145, 248832290]

約数ペア:

[(1, 248832290), (2, 124416145), (5, 49766458), (7, 35547470), (10, 24883229), (14, 17773735), (35, 7109494), (49, 5078210), (70, 3554747), (98, 2539105), (245, 1015642), (490, 507821)]