205993960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{571}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 481852800

約数和(自身を除く): 275858840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 311, 571, 580, 622, 1142, 1160, 1244, 1555, 2284, 2488, 2855, 3110, 4568, 5710, 6220, 9019, 11420, 12440, 16559, 18038, 22840, 33118, 36076, 45095, 66236, 72152, 82795, 90190, 132472, 165590, 177581, 180380, 331180, 355162, 360760, 662360, 710324, 887905, 1420648, 1775810, 3551620, 5149849, 7103240, 10299698, 20599396, 25749245, 41198792, 51498490, 102996980, 205993960]

約数ペア:

[(1, 205993960), (2, 102996980), (4, 51498490), (5, 41198792), (8, 25749245), (10, 20599396), (20, 10299698), (29, 7103240), (40, 5149849), (58, 3551620), (116, 1775810), (145, 1420648), (232, 887905), (290, 710324), (311, 662360), (571, 360760), (580, 355162), (622, 331180), (1142, 180380), (1160, 177581), (1244, 165590), (1555, 132472), (2284, 90190), (2488, 82795), (2855, 72152), (3110, 66236), (4568, 45095), (5710, 36076), (6220, 33118), (9019, 22840), (11420, 18038), (12440, 16559)]