2790190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 5483520

約数和(自身を除く): 2693330

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 169, 254, 338, 635, 845, 1270, 1651, 1690, 2197, 3302, 4394, 8255, 10985, 16510, 21463, 21970, 42926, 107315, 214630, 279019, 558038, 1395095, 2790190]

約数ペア:

[(1, 2790190), (2, 1395095), (5, 558038), (10, 279019), (13, 214630), (26, 107315), (65, 42926), (127, 21970), (130, 21463), (169, 16510), (254, 10985), (338, 8255), (635, 4394), (845, 3302), (1270, 2197), (1651, 1690)]