139245820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34297}}^1$

素因数の和:34342

約数の個数: 48

約数和(自身を含む): 345723840

約数和(自身を除く): 206478020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 34297, 68594, 137188, 171485, 240079, 342970, 480158, 685940, 960316, 994613, 1200395, 1989226, 2400790, 3978452, 4801580, 4973065, 6962291, 9946130, 13924582, 19892260, 27849164, 34811455, 69622910, 139245820]

約数ペア:

[(1, 139245820), (2, 69622910), (4, 34811455), (5, 27849164), (7, 19892260), (10, 13924582), (14, 9946130), (20, 6962291), (28, 4973065), (29, 4801580), (35, 3978452), (58, 2400790), (70, 1989226), (116, 1200395), (140, 994613), (145, 960316), (203, 685940), (290, 480158), (406, 342970), (580, 240079), (812, 171485), (1015, 137188), (2030, 68594), (4060, 34297)]