2790340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 7056000

約数和(自身を除く): 4265660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1049, 1330, 2098, 2660, 4196, 5245, 7343, 10490, 14686, 19931, 20980, 29372, 36715, 39862, 73430, 79724, 99655, 139517, 146860, 199310, 279034, 398620, 558068, 697585, 1395170, 2790340]

約数ペア:

[(1, 2790340), (2, 1395170), (4, 697585), (5, 558068), (7, 398620), (10, 279034), (14, 199310), (19, 146860), (20, 139517), (28, 99655), (35, 79724), (38, 73430), (70, 39862), (76, 36715), (95, 29372), (133, 20980), (140, 19931), (190, 14686), (266, 10490), (380, 7343), (532, 5245), (665, 4196), (1049, 2660), (1330, 2098)]