254887960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{219731}}^1$

素因数の和:219771

約数の個数: 32

約数和(自身を含む): 593276400

約数和(自身を除く): 338388440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 219731, 439462, 878924, 1098655, 1757848, 2197310, 4394620, 6372199, 8789240, 12744398, 25488796, 31860995, 50977592, 63721990, 127443980, 254887960]

約数ペア:

[(1, 254887960), (2, 127443980), (4, 63721990), (5, 50977592), (8, 31860995), (10, 25488796), (20, 12744398), (29, 8789240), (40, 6372199), (58, 4394620), (116, 2197310), (145, 1757848), (232, 1098655), (290, 878924), (580, 439462), (1160, 219731)]