2459380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1597}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 6443136

約数和(自身を除く): 3983756

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1597, 3194, 6388, 7985, 11179, 15970, 17567, 22358, 31940, 35134, 44716, 55895, 70268, 87835, 111790, 122969, 175670, 223580, 245938, 351340, 491876, 614845, 1229690, 2459380]

約数ペア:

[(1, 2459380), (2, 1229690), (4, 614845), (5, 491876), (7, 351340), (10, 245938), (11, 223580), (14, 175670), (20, 122969), (22, 111790), (28, 87835), (35, 70268), (44, 55895), (55, 44716), (70, 35134), (77, 31940), (110, 22358), (140, 17567), (154, 15970), (220, 11179), (308, 7985), (385, 6388), (770, 3194), (1540, 1597)]