7178780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 17611776

約数和(自身を除く): 10432996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1091, 1316, 1645, 2182, 3290, 4364, 5455, 6580, 7637, 10910, 15274, 21820, 30548, 38185, 51277, 76370, 102554, 152740, 205108, 256385, 358939, 512770, 717878, 1025540, 1435756, 1794695, 3589390, 7178780]

約数ペア:

[(1, 7178780), (2, 3589390), (4, 1794695), (5, 1435756), (7, 1025540), (10, 717878), (14, 512770), (20, 358939), (28, 256385), (35, 205108), (47, 152740), (70, 102554), (94, 76370), (140, 51277), (188, 38185), (235, 30548), (329, 21820), (470, 15274), (658, 10910), (940, 7637), (1091, 6580), (1316, 5455), (1645, 4364), (2182, 3290)]