142740740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{230227}}^1$

素因数の和:230267

約数の個数: 24

約数和(自身を含む): 309426432

約数和(自身を除く): 166685692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 230227, 460454, 920908, 1151135, 2302270, 4604540, 7137037, 14274074, 28548148, 35685185, 71370370, 142740740]

約数ペア:

[(1, 142740740), (2, 71370370), (4, 35685185), (5, 28548148), (10, 14274074), (20, 7137037), (31, 4604540), (62, 2302270), (124, 1151135), (155, 920908), (310, 460454), (620, 230227)]