727880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 1693440

約数和(自身を除く): 965560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 587, 620, 1174, 1240, 2348, 2935, 4696, 5870, 11740, 18197, 23480, 36394, 72788, 90985, 145576, 181970, 363940, 727880]

約数ペア:

[(1, 727880), (2, 363940), (4, 181970), (5, 145576), (8, 90985), (10, 72788), (20, 36394), (31, 23480), (40, 18197), (62, 11740), (124, 5870), (155, 4696), (248, 2935), (310, 2348), (587, 1240), (620, 1174)]