521989140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{378253}}^1$

素因数の和:378288

約数の個数: 48

約数和(自身を含む): 1525120128

約数和(自身を除く): 1003130988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 378253, 756506, 1134759, 1513012, 1891265, 2269518, 3782530, 4539036, 5673795, 7565060, 8699819, 11347590, 17399638, 22695180, 26099457, 34799276, 43499095, 52198914, 86998190, 104397828, 130497285, 173996380, 260994570, 521989140]

約数ペア:

[(1, 521989140), (2, 260994570), (3, 173996380), (4, 130497285), (5, 104397828), (6, 86998190), (10, 52198914), (12, 43499095), (15, 34799276), (20, 26099457), (23, 22695180), (30, 17399638), (46, 11347590), (60, 8699819), (69, 7565060), (92, 5673795), (115, 4539036), (138, 3782530), (230, 2269518), (276, 1891265), (345, 1513012), (460, 1134759), (690, 756506), (1380, 378253)]