9980496580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1867}}^1\times {\mathrm{1951}}^1$

素因数の和:3964

約数の個数: 48

約数和(自身を含む): 21134163456

約数和(自身を除く): 11153666876

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1867, 1951, 2740, 3734, 3902, 7468, 7804, 9335, 9755, 18670, 19510, 37340, 39020, 255779, 267287, 511558, 534574, 1023116, 1069148, 1278895, 1336435, 2557790, 2672870, 3642517, 5115580, 5345740, 7285034, 14570068, 18212585, 36425170, 72850340, 499024829, 998049658, 1996099316, 2495124145, 4990248290, 9980496580]

約数ペア:

[(1, 9980496580), (2, 4990248290), (4, 2495124145), (5, 1996099316), (10, 998049658), (20, 499024829), (137, 72850340), (274, 36425170), (548, 18212585), (685, 14570068), (1370, 7285034), (1867, 5345740), (1951, 5115580), (2740, 3642517), (3734, 2672870), (3902, 2557790), (7468, 1336435), (7804, 1278895), (9335, 1069148), (9755, 1023116), (18670, 534574), (19510, 511558), (37340, 267287), (39020, 255779)]