389623980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{24691}}^1$

素因数の和:24966

約数の個数: 48

約数和(自身を含む): 1095139584

約数和(自身を除く): 705515604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1315, 1578, 2630, 3156, 3945, 5260, 7890, 15780, 24691, 49382, 74073, 98764, 123455, 148146, 246910, 296292, 370365, 493820, 740730, 1481460, 6493733, 12987466, 19481199, 25974932, 32468665, 38962398, 64937330, 77924796, 97405995, 129874660, 194811990, 389623980]

約数ペア:

[(1, 389623980), (2, 194811990), (3, 129874660), (4, 97405995), (5, 77924796), (6, 64937330), (10, 38962398), (12, 32468665), (15, 25974932), (20, 19481199), (30, 12987466), (60, 6493733), (263, 1481460), (526, 740730), (789, 493820), (1052, 370365), (1315, 296292), (1578, 246910), (2630, 148146), (3156, 123455), (3945, 98764), (5260, 74073), (7890, 49382), (15780, 24691)]