220505260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7949}}^1$

素因数の和:8050

約数の個数: 48

約数和(自身を含む): 494172000

約数和(自身を除く): 273666740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 7949, 13870, 15898, 27740, 31796, 39745, 79490, 151031, 158980, 302062, 580277, 604124, 755155, 1160554, 1510310, 2321108, 2901385, 3020620, 5802770, 11025263, 11605540, 22050526, 44101052, 55126315, 110252630, 220505260]

約数ペア:

[(1, 220505260), (2, 110252630), (4, 55126315), (5, 44101052), (10, 22050526), (19, 11605540), (20, 11025263), (38, 5802770), (73, 3020620), (76, 2901385), (95, 2321108), (146, 1510310), (190, 1160554), (292, 755155), (365, 604124), (380, 580277), (730, 302062), (1387, 158980), (1460, 151031), (2774, 79490), (5548, 39745), (6935, 31796), (7949, 27740), (13870, 15898)]