64836550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 128116800

約数和(自身を除く): 63280250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 139, 190, 278, 475, 491, 695, 950, 982, 1390, 2455, 2641, 3475, 4910, 5282, 6950, 9329, 12275, 13205, 18658, 24550, 26410, 46645, 66025, 68249, 93290, 132050, 136498, 233225, 341245, 466450, 682490, 1296731, 1706225, 2593462, 3412450, 6483655, 12967310, 32418275, 64836550]

約数ペア:

[(1, 64836550), (2, 32418275), (5, 12967310), (10, 6483655), (19, 3412450), (25, 2593462), (38, 1706225), (50, 1296731), (95, 682490), (139, 466450), (190, 341245), (278, 233225), (475, 136498), (491, 132050), (695, 93290), (950, 68249), (982, 66025), (1390, 46645), (2455, 26410), (2641, 24550), (3475, 18658), (4910, 13205), (5282, 12275), (6950, 9329)]