77245420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{551753}}^1$

素因数の和:551769

約数の個数: 24

約数和(自身を含む): 185389344

約数和(自身を除く): 108143924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 551753, 1103506, 2207012, 2758765, 3862271, 5517530, 7724542, 11035060, 15449084, 19311355, 38622710, 77245420]

約数ペア:

[(1, 77245420), (2, 38622710), (4, 19311355), (5, 15449084), (7, 11035060), (10, 7724542), (14, 5517530), (20, 3862271), (28, 2758765), (35, 2207012), (70, 1103506), (140, 551753)]