7897980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 22296960

約数和(自身を除く): 14398980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 947, 1390, 1668, 1894, 2085, 2780, 2841, 3788, 4170, 4735, 5682, 8340, 9470, 11364, 14205, 18940, 28410, 56820, 131633, 263266, 394899, 526532, 658165, 789798, 1316330, 1579596, 1974495, 2632660, 3948990, 7897980]

約数ペア:

[(1, 7897980), (2, 3948990), (3, 2632660), (4, 1974495), (5, 1579596), (6, 1316330), (10, 789798), (12, 658165), (15, 526532), (20, 394899), (30, 263266), (60, 131633), (139, 56820), (278, 28410), (417, 18940), (556, 14205), (695, 11364), (834, 9470), (947, 8340), (1390, 5682), (1668, 4735), (1894, 4170), (2085, 3788), (2780, 2841)]