2677780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 6644736

約数和(自身を除く): 3966956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 617, 620, 868, 1085, 1234, 2170, 2468, 3085, 4319, 4340, 6170, 8638, 12340, 17276, 19127, 21595, 38254, 43190, 76508, 86380, 95635, 133889, 191270, 267778, 382540, 535556, 669445, 1338890, 2677780]

約数ペア:

[(1, 2677780), (2, 1338890), (4, 669445), (5, 535556), (7, 382540), (10, 267778), (14, 191270), (20, 133889), (28, 95635), (31, 86380), (35, 76508), (62, 43190), (70, 38254), (124, 21595), (140, 19127), (155, 17276), (217, 12340), (310, 8638), (434, 6170), (617, 4340), (620, 4319), (868, 3085), (1085, 2468), (1234, 2170)]