242538520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4397}}^1$

素因数の和:4612

約数の個数: 64

約数和(自身を含む): 626978880

約数和(自身を除く): 384440360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 4397, 5516, 6895, 7880, 8794, 11032, 13790, 17588, 21985, 27580, 30779, 35176, 43970, 55160, 61558, 87940, 123116, 153895, 175880, 246232, 307790, 615580, 866209, 1231160, 1732418, 3464836, 4331045, 6063463, 6929672, 8662090, 12126926, 17324180, 24253852, 30317315, 34648360, 48507704, 60634630, 121269260, 242538520]

約数ペア:

[(1, 242538520), (2, 121269260), (4, 60634630), (5, 48507704), (7, 34648360), (8, 30317315), (10, 24253852), (14, 17324180), (20, 12126926), (28, 8662090), (35, 6929672), (40, 6063463), (56, 4331045), (70, 3464836), (140, 1732418), (197, 1231160), (280, 866209), (394, 615580), (788, 307790), (985, 246232), (1379, 175880), (1576, 153895), (1970, 123116), (2758, 87940), (3940, 61558), (4397, 55160), (5516, 43970), (6895, 35176), (7880, 30779), (8794, 27580), (11032, 21985), (13790, 17588)]