289772980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2069807}}^1$

素因数の和:2069823

約数の個数: 24

約数和(自身を含む): 695455488

約数和(自身を除く): 405682508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2069807, 4139614, 8279228, 10349035, 14488649, 20698070, 28977298, 41396140, 57954596, 72443245, 144886490, 289772980]

約数ペア:

[(1, 289772980), (2, 144886490), (4, 72443245), (5, 57954596), (7, 41396140), (10, 28977298), (14, 20698070), (20, 14488649), (28, 10349035), (35, 8279228), (70, 4139614), (140, 2069807)]