404879140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1190821}}^1$

素因数の和:1190847

約数の個数: 24

約数和(自身を含む): 900261432

約数和(自身を除く): 495382292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1190821, 2381642, 4763284, 5954105, 11908210, 20243957, 23816420, 40487914, 80975828, 101219785, 202439570, 404879140]

約数ペア:

[(1, 404879140), (2, 202439570), (4, 101219785), (5, 80975828), (10, 40487914), (17, 23816420), (20, 20243957), (34, 11908210), (68, 5954105), (85, 4763284), (170, 2381642), (340, 1190821)]