205118980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{3037}}^1$

素因数の和:3364

約数の個数: 48

約数和(自身を含む): 471594816

約数和(自身を除く): 266475836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 307, 614, 1228, 1535, 3037, 3070, 3377, 6074, 6140, 6754, 12148, 13508, 15185, 16885, 30370, 33407, 33770, 60740, 66814, 67540, 133628, 167035, 334070, 668140, 932359, 1864718, 3729436, 4661795, 9323590, 10255949, 18647180, 20511898, 41023796, 51279745, 102559490, 205118980]

約数ペア:

[(1, 205118980), (2, 102559490), (4, 51279745), (5, 41023796), (10, 20511898), (11, 18647180), (20, 10255949), (22, 9323590), (44, 4661795), (55, 3729436), (110, 1864718), (220, 932359), (307, 668140), (614, 334070), (1228, 167035), (1535, 133628), (3037, 67540), (3070, 66814), (3377, 60740), (6074, 33770), (6140, 33407), (6754, 30370), (12148, 16885), (13508, 15185)]