8139460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 19966464

約数和(自身を除く): 11827004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1237, 1316, 1645, 2474, 3290, 4948, 6185, 6580, 8659, 12370, 17318, 24740, 34636, 43295, 58139, 86590, 116278, 173180, 232556, 290695, 406973, 581390, 813946, 1162780, 1627892, 2034865, 4069730, 8139460]

約数ペア:

[(1, 8139460), (2, 4069730), (4, 2034865), (5, 1627892), (7, 1162780), (10, 813946), (14, 581390), (20, 406973), (28, 290695), (35, 232556), (47, 173180), (70, 116278), (94, 86590), (140, 58139), (188, 43295), (235, 34636), (329, 24740), (470, 17318), (658, 12370), (940, 8659), (1237, 6580), (1316, 6185), (1645, 4948), (2474, 3290)]