142540220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{245759}}^1$

素因数の和:245797

約数の個数: 24

約数和(自身を含む): 309657600

約数和(自身を除く): 167117380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 245759, 491518, 983036, 1228795, 2457590, 4915180, 7127011, 14254022, 28508044, 35635055, 71270110, 142540220]

約数ペア:

[(1, 142540220), (2, 71270110), (4, 35635055), (5, 28508044), (10, 14254022), (20, 7127011), (29, 4915180), (58, 2457590), (116, 1228795), (145, 983036), (290, 491518), (580, 245759)]