2748620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 6834240

約数和(自身を除く): 4085620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 677, 812, 1015, 1354, 2030, 2708, 3385, 4060, 4739, 6770, 9478, 13540, 18956, 19633, 23695, 39266, 47390, 78532, 94780, 98165, 137431, 196330, 274862, 392660, 549724, 687155, 1374310, 2748620]

約数ペア:

[(1, 2748620), (2, 1374310), (4, 687155), (5, 549724), (7, 392660), (10, 274862), (14, 196330), (20, 137431), (28, 98165), (29, 94780), (35, 78532), (58, 47390), (70, 39266), (116, 23695), (140, 19633), (145, 18956), (203, 13540), (290, 9478), (406, 6770), (580, 4739), (677, 4060), (812, 3385), (1015, 2708), (1354, 2030)]