988890590

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{260921}}^1$

素因数の和:261307

約数の個数: 16

約数和(自身を含む): 1784706480

約数和(自身を除く): 795815890

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 260921, 521842, 1304605, 2609210, 98889059, 197778118, 494445295, 988890590]

約数ペア:

[(1, 988890590), (2, 494445295), (5, 197778118), (10, 98889059), (379, 2609210), (758, 1304605), (1895, 521842), (3790, 260921)]