142757480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115127}}^1$

素因数の和:115169

約数の個数: 32

約数和(自身を含む): 331568640

約数和(自身を除く): 188811160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 115127, 230254, 460508, 575635, 921016, 1151270, 2302540, 3568937, 4605080, 7137874, 14275748, 17844685, 28551496, 35689370, 71378740, 142757480]

約数ペア:

[(1, 142757480), (2, 71378740), (4, 35689370), (5, 28551496), (8, 17844685), (10, 14275748), (20, 7137874), (31, 4605080), (40, 3568937), (62, 2302540), (124, 1151270), (155, 921016), (248, 575635), (310, 460508), (620, 230254), (1240, 115127)]