2451020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 6054048

約数和(自身を除く): 3603028

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 857, 1430, 1714, 2860, 3428, 4285, 8570, 9427, 11141, 17140, 18854, 22282, 37708, 44564, 47135, 55705, 94270, 111410, 122551, 188540, 222820, 245102, 490204, 612755, 1225510, 2451020]

約数ペア:

[(1, 2451020), (2, 1225510), (4, 612755), (5, 490204), (10, 245102), (11, 222820), (13, 188540), (20, 122551), (22, 111410), (26, 94270), (44, 55705), (52, 47135), (55, 44564), (65, 37708), (110, 22282), (130, 18854), (143, 17140), (220, 11141), (260, 9427), (286, 8570), (572, 4285), (715, 3428), (857, 2860), (1430, 1714)]