31482860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 69854400

約数和(自身を除く): 38371540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 769, 890, 1538, 1780, 2047, 3076, 3845, 4094, 7690, 8188, 10235, 15380, 17687, 20470, 35374, 40940, 68441, 70748, 88435, 136882, 176870, 273764, 342205, 353740, 684410, 1368820, 1574143, 3148286, 6296572, 7870715, 15741430, 31482860]

約数ペア:

[(1, 31482860), (2, 15741430), (4, 7870715), (5, 6296572), (10, 3148286), (20, 1574143), (23, 1368820), (46, 684410), (89, 353740), (92, 342205), (115, 273764), (178, 176870), (230, 136882), (356, 88435), (445, 70748), (460, 68441), (769, 40940), (890, 35374), (1538, 20470), (1780, 17687), (2047, 15380), (3076, 10235), (3845, 8188), (4094, 7690)]