7946180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 19172160

約数和(自身を除く): 11225980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1901, 2090, 3802, 4180, 7604, 9505, 19010, 20911, 36119, 38020, 41822, 72238, 83644, 104555, 144476, 180595, 209110, 361190, 397309, 418220, 722380, 794618, 1589236, 1986545, 3973090, 7946180]

約数ペア:

[(1, 7946180), (2, 3973090), (4, 1986545), (5, 1589236), (10, 794618), (11, 722380), (19, 418220), (20, 397309), (22, 361190), (38, 209110), (44, 180595), (55, 144476), (76, 104555), (95, 83644), (110, 72238), (190, 41822), (209, 38020), (220, 36119), (380, 20911), (418, 19010), (836, 9505), (1045, 7604), (1901, 4180), (2090, 3802)]