520079420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{2851}}^1$

素因数の和:4170

約数の個数: 48

約数和(自身を含む): 1249586688

約数和(自身を除く): 729507268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1303, 2606, 2851, 5212, 5702, 6515, 9121, 11404, 13030, 14255, 18242, 19957, 26060, 28510, 36484, 39914, 45605, 57020, 79828, 91210, 99785, 182420, 199570, 399140, 3714853, 7429706, 14859412, 18574265, 26003971, 37148530, 52007942, 74297060, 104015884, 130019855, 260039710, 520079420]

約数ペア:

[(1, 520079420), (2, 260039710), (4, 130019855), (5, 104015884), (7, 74297060), (10, 52007942), (14, 37148530), (20, 26003971), (28, 18574265), (35, 14859412), (70, 7429706), (140, 3714853), (1303, 399140), (2606, 199570), (2851, 182420), (5212, 99785), (5702, 91210), (6515, 79828), (9121, 57020), (11404, 45605), (13030, 39914), (14255, 36484), (18242, 28510), (19957, 26060)]