73679980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1871}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 169827840

約数和(自身を除く): 96147860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1871, 1969, 3580, 3742, 3938, 7484, 7876, 9355, 9845, 18710, 19690, 20581, 37420, 39380, 41162, 82324, 102905, 205810, 334909, 411620, 669818, 1339636, 1674545, 3349090, 3683999, 6698180, 7367998, 14735996, 18419995, 36839990, 73679980]

約数ペア:

[(1, 73679980), (2, 36839990), (4, 18419995), (5, 14735996), (10, 7367998), (11, 6698180), (20, 3683999), (22, 3349090), (44, 1674545), (55, 1339636), (110, 669818), (179, 411620), (220, 334909), (358, 205810), (716, 102905), (895, 82324), (1790, 41162), (1871, 39380), (1969, 37420), (3580, 20581), (3742, 19690), (3938, 18710), (7484, 9845), (7876, 9355)]