311384450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4651}}^1$

素因数の和:4779

約数の個数: 48

約数和(自身を含む): 629918016

約数和(自身を除く): 318533566

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 206, 325, 515, 650, 1030, 1339, 2575, 2678, 4651, 5150, 6695, 9302, 13390, 23255, 33475, 46510, 60463, 66950, 116275, 120926, 232550, 302315, 479053, 604630, 958106, 1511575, 2395265, 3023150, 4790530, 6227689, 11976325, 12455378, 23952650, 31138445, 62276890, 155692225, 311384450]

約数ペア:

[(1, 311384450), (2, 155692225), (5, 62276890), (10, 31138445), (13, 23952650), (25, 12455378), (26, 11976325), (50, 6227689), (65, 4790530), (103, 3023150), (130, 2395265), (206, 1511575), (325, 958106), (515, 604630), (650, 479053), (1030, 302315), (1339, 232550), (2575, 120926), (2678, 116275), (4651, 66950), (5150, 60463), (6695, 46510), (9302, 33475), (13390, 23255)]