12769820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 31243968

約数和(自身を除く): 18474148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1721, 1855, 3442, 3710, 6884, 7420, 8605, 12047, 17210, 24094, 34420, 48188, 60235, 91213, 120470, 182426, 240940, 364852, 456065, 638491, 912130, 1276982, 1824260, 2553964, 3192455, 6384910, 12769820]

約数ペア:

[(1, 12769820), (2, 6384910), (4, 3192455), (5, 2553964), (7, 1824260), (10, 1276982), (14, 912130), (20, 638491), (28, 456065), (35, 364852), (53, 240940), (70, 182426), (106, 120470), (140, 91213), (212, 60235), (265, 48188), (371, 34420), (530, 24094), (742, 17210), (1060, 12047), (1484, 8605), (1721, 7420), (1855, 6884), (3442, 3710)]