72672910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 141713712

約数和(自身を除く): 69040802

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 361, 410, 491, 722, 779, 982, 1558, 1805, 2455, 3610, 3895, 4910, 7790, 9329, 14801, 18658, 20131, 29602, 40262, 46645, 74005, 93290, 100655, 148010, 177251, 201310, 354502, 382489, 764978, 886255, 1772510, 1912445, 3824890, 7267291, 14534582, 36336455, 72672910]

約数ペア:

[(1, 72672910), (2, 36336455), (5, 14534582), (10, 7267291), (19, 3824890), (38, 1912445), (41, 1772510), (82, 886255), (95, 764978), (190, 382489), (205, 354502), (361, 201310), (410, 177251), (491, 148010), (722, 100655), (779, 93290), (982, 74005), (1558, 46645), (1805, 40262), (2455, 29602), (3610, 20131), (3895, 18658), (4910, 14801), (7790, 9329)]