2547580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 6322176

約数和(自身を除く): 3774596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 587, 620, 868, 1085, 1174, 2170, 2348, 2935, 4109, 4340, 5870, 8218, 11740, 16436, 18197, 20545, 36394, 41090, 72788, 82180, 90985, 127379, 181970, 254758, 363940, 509516, 636895, 1273790, 2547580]

約数ペア:

[(1, 2547580), (2, 1273790), (4, 636895), (5, 509516), (7, 363940), (10, 254758), (14, 181970), (20, 127379), (28, 90985), (31, 82180), (35, 72788), (62, 41090), (70, 36394), (124, 20545), (140, 18197), (155, 16436), (217, 11740), (310, 8218), (434, 5870), (587, 4340), (620, 4109), (868, 2935), (1085, 2348), (1174, 2170)]