78505140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186917}}^1$

素因数の和:186936

約数の個数: 48

約数和(自身を含む): 251217792

約数和(自身を除く): 172712652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 186917, 373834, 560751, 747668, 934585, 1121502, 1308419, 1869170, 2243004, 2616838, 2803755, 3738340, 3925257, 5233676, 5607510, 6542095, 7850514, 11215020, 13084190, 15701028, 19626285, 26168380, 39252570, 78505140]

約数ペア:

[(1, 78505140), (2, 39252570), (3, 26168380), (4, 19626285), (5, 15701028), (6, 13084190), (7, 11215020), (10, 7850514), (12, 6542095), (14, 5607510), (15, 5233676), (20, 3925257), (21, 3738340), (28, 2803755), (30, 2616838), (35, 2243004), (42, 1869170), (60, 1308419), (70, 1121502), (84, 934585), (105, 747668), (140, 560751), (210, 373834), (420, 186917)]