259460740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{168481}}^1$

素因数の和:168508

約数の個数: 48

約数和(自身を含む): 679319424

約数和(自身を除く): 419858684

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, 168481, 336962, 673924, 842405, 1179367, 1684810, 1853291, 2358734, 3369620, 3706582, 4717468, 5896835, 7413164, 9266455, 11793670, 12973037, 18532910, 23587340, 25946074, 37065820, 51892148, 64865185, 129730370, 259460740]

約数ペア:

[(1, 259460740), (2, 129730370), (4, 64865185), (5, 51892148), (7, 37065820), (10, 25946074), (11, 23587340), (14, 18532910), (20, 12973037), (22, 11793670), (28, 9266455), (35, 7413164), (44, 5896835), (55, 4717468), (70, 3706582), (77, 3369620), (110, 2358734), (140, 1853291), (154, 1684810), (220, 1179367), (308, 842405), (385, 673924), (770, 336962), (1540, 168481)]