28270020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1031}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 79406208

約数和(自身を除く): 51136188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 914, 1031, 1371, 1828, 2062, 2285, 2742, 3093, 4124, 4570, 5155, 5484, 6186, 6855, 9140, 10310, 12372, 13710, 15465, 20620, 27420, 30930, 61860, 471167, 942334, 1413501, 1884668, 2355835, 2827002, 4711670, 5654004, 7067505, 9423340, 14135010, 28270020]

約数ペア:

[(1, 28270020), (2, 14135010), (3, 9423340), (4, 7067505), (5, 5654004), (6, 4711670), (10, 2827002), (12, 2355835), (15, 1884668), (20, 1413501), (30, 942334), (60, 471167), (457, 61860), (914, 30930), (1031, 27420), (1371, 20620), (1828, 15465), (2062, 13710), (2285, 12372), (2742, 10310), (3093, 9140), (4124, 6855), (4570, 6186), (5155, 5484)]