61111220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2203}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 137000640

約数和(自身を除く): 75889420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2203, 2774, 4406, 5548, 6935, 8812, 11015, 13870, 22030, 27740, 41857, 44060, 83714, 160819, 167428, 209285, 321638, 418570, 643276, 804095, 837140, 1608190, 3055561, 3216380, 6111122, 12222244, 15277805, 30555610, 61111220]

約数ペア:

[(1, 61111220), (2, 30555610), (4, 15277805), (5, 12222244), (10, 6111122), (19, 3216380), (20, 3055561), (38, 1608190), (73, 837140), (76, 804095), (95, 643276), (146, 418570), (190, 321638), (292, 209285), (365, 167428), (380, 160819), (730, 83714), (1387, 44060), (1460, 41857), (2203, 27740), (2774, 22030), (4406, 13870), (5548, 11015), (6935, 8812)]