945365140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 2113800192

約数和(自身を除く): 1168435052

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 361, 380, 508, 635, 722, 1031, 1270, 1444, 1805, 2062, 2413, 2540, 3610, 4124, 4826, 5155, 7220, 9652, 10310, 12065, 19589, 20620, 24130, 39178, 45847, 48260, 78356, 91694, 97945, 130937, 183388, 195890, 229235, 261874, 372191, 391780, 458470, 523748, 654685, 744382, 916940, 1309370, 1488764, 1860955, 2487803, 2618740, 3721910, 4975606, 7443820, 9951212, 12439015, 24878030, 47268257, 49756060, 94536514, 189073028, 236341285, 472682570, 945365140]

約数ペア:

[(1, 945365140), (2, 472682570), (4, 236341285), (5, 189073028), (10, 94536514), (19, 49756060), (20, 47268257), (38, 24878030), (76, 12439015), (95, 9951212), (127, 7443820), (190, 4975606), (254, 3721910), (361, 2618740), (380, 2487803), (508, 1860955), (635, 1488764), (722, 1309370), (1031, 916940), (1270, 744382), (1444, 654685), (1805, 523748), (2062, 458470), (2413, 391780), (2540, 372191), (3610, 261874), (4124, 229235), (4826, 195890), (5155, 183388), (7220, 130937), (9652, 97945), (10310, 91694), (12065, 78356), (19589, 48260), (20620, 45847), (24130, 39178)]