402904420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1185013}}^1$

素因数の和:1185039

約数の個数: 24

約数和(自身を含む): 895870584

約数和(自身を除く): 492966164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1185013, 2370026, 4740052, 5925065, 11850130, 20145221, 23700260, 40290442, 80580884, 100726105, 201452210, 402904420]

約数ペア:

[(1, 402904420), (2, 201452210), (4, 100726105), (5, 80580884), (10, 40290442), (17, 23700260), (20, 20145221), (34, 11850130), (68, 5925065), (85, 4740052), (170, 2370026), (340, 1185013)]