6661780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 15079680

約数和(自身を除く): 8417900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 373, 380, 470, 746, 893, 940, 1492, 1786, 1865, 3572, 3730, 4465, 7087, 7460, 8930, 14174, 17531, 17860, 28348, 35062, 35435, 70124, 70870, 87655, 141740, 175310, 333089, 350620, 666178, 1332356, 1665445, 3330890, 6661780]

約数ペア:

[(1, 6661780), (2, 3330890), (4, 1665445), (5, 1332356), (10, 666178), (19, 350620), (20, 333089), (38, 175310), (47, 141740), (76, 87655), (94, 70870), (95, 70124), (188, 35435), (190, 35062), (235, 28348), (373, 17860), (380, 17531), (470, 14174), (746, 8930), (893, 7460), (940, 7087), (1492, 4465), (1786, 3730), (1865, 3572)]