9072980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 21947520

約数和(自身を除く): 12874540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 283, 458, 566, 916, 1132, 1145, 1415, 1603, 1981, 2290, 2830, 3206, 3962, 4580, 5660, 6412, 7924, 8015, 9905, 16030, 19810, 32060, 39620, 64807, 129614, 259228, 324035, 453649, 648070, 907298, 1296140, 1814596, 2268245, 4536490, 9072980]

約数ペア:

[(1, 9072980), (2, 4536490), (4, 2268245), (5, 1814596), (7, 1296140), (10, 907298), (14, 648070), (20, 453649), (28, 324035), (35, 259228), (70, 129614), (140, 64807), (229, 39620), (283, 32060), (458, 19810), (566, 16030), (916, 9905), (1132, 8015), (1145, 7924), (1415, 6412), (1603, 5660), (1981, 4580), (2290, 3962), (2830, 3206)]