7860580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 20712888

約数和(自身を除く): 12852308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 617, 637, 910, 980, 1234, 1274, 1820, 2468, 2548, 3085, 3185, 4319, 6170, 6370, 8021, 8638, 12340, 12740, 16042, 17276, 21595, 30233, 32084, 40105, 43190, 56147, 60466, 80210, 86380, 112294, 120932, 151165, 160420, 224588, 280735, 302330, 393029, 561470, 604660, 786058, 1122940, 1572116, 1965145, 3930290, 7860580]

約数ペア:

[(1, 7860580), (2, 3930290), (4, 1965145), (5, 1572116), (7, 1122940), (10, 786058), (13, 604660), (14, 561470), (20, 393029), (26, 302330), (28, 280735), (35, 224588), (49, 160420), (52, 151165), (65, 120932), (70, 112294), (91, 86380), (98, 80210), (130, 60466), (140, 56147), (182, 43190), (196, 40105), (245, 32084), (260, 30233), (364, 21595), (455, 17276), (490, 16042), (617, 12740), (637, 12340), (910, 8638), (980, 8021), (1234, 6370), (1274, 6170), (1820, 4319), (2468, 3185), (2548, 3085)]