138593440

素因数分解:

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

素因数の和:4609

約数の個数: 48

約数和(自身を含む): 329163912

約数和(自身を除く): 190570472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4397, 6304, 7880, 8794, 15760, 17588, 21985, 31520, 35176, 43970, 70352, 87940, 140704, 175880, 351760, 703520, 866209, 1732418, 3464836, 4331045, 6929672, 8662090, 13859344, 17324180, 27718688, 34648360, 69296720, 138593440]

約数ペア:

[(1, 138593440), (2, 69296720), (4, 34648360), (5, 27718688), (8, 17324180), (10, 13859344), (16, 8662090), (20, 6929672), (32, 4331045), (40, 3464836), (80, 1732418), (160, 866209), (197, 703520), (394, 351760), (788, 175880), (985, 140704), (1576, 87940), (1970, 70352), (3152, 43970), (3940, 35176), (4397, 31520), (6304, 21985), (7880, 17588), (8794, 15760)]