17898100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 43309728

約数和(自身を除く): 25411628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 53, 55, 100, 106, 110, 212, 220, 265, 275, 307, 530, 550, 583, 614, 1060, 1100, 1166, 1228, 1325, 1535, 2332, 2650, 2915, 3070, 3377, 5300, 5830, 6140, 6754, 7675, 11660, 13508, 14575, 15350, 16271, 16885, 29150, 30700, 32542, 33770, 58300, 65084, 67540, 81355, 84425, 162710, 168850, 178981, 325420, 337700, 357962, 406775, 715924, 813550, 894905, 1627100, 1789810, 3579620, 4474525, 8949050, 17898100]

約数ペア:

[(1, 17898100), (2, 8949050), (4, 4474525), (5, 3579620), (10, 1789810), (11, 1627100), (20, 894905), (22, 813550), (25, 715924), (44, 406775), (50, 357962), (53, 337700), (55, 325420), (100, 178981), (106, 168850), (110, 162710), (212, 84425), (220, 81355), (265, 67540), (275, 65084), (307, 58300), (530, 33770), (550, 32542), (583, 30700), (614, 29150), (1060, 16885), (1100, 16271), (1166, 15350), (1228, 14575), (1325, 13508), (1535, 11660), (2332, 7675), (2650, 6754), (2915, 6140), (3070, 5830), (3377, 5300)]