253737820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{62497}}^1$

素因数の和:62542

約数の個数: 48

約数和(自身を含む): 629979840

約数和(自身を除く): 376242020

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, 62497, 124994, 249988, 312485, 437479, 624970, 874958, 1249940, 1749916, 1812413, 2187395, 3624826, 4374790, 7249652, 8749580, 9062065, 12686891, 18124130, 25373782, 36248260, 50747564, 63434455, 126868910, 253737820]

約数ペア:

[(1, 253737820), (2, 126868910), (4, 63434455), (5, 50747564), (7, 36248260), (10, 25373782), (14, 18124130), (20, 12686891), (28, 9062065), (29, 8749580), (35, 7249652), (58, 4374790), (70, 3624826), (116, 2187395), (140, 1812413), (145, 1749916), (203, 1249940), (290, 874958), (406, 624970), (580, 437479), (812, 312485), (1015, 249988), (2030, 124994), (4060, 62497)]