1569570020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1\times {\mathrm{1559}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 3349382400

約数和(自身を除く): 1779812380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 709, 710, 1418, 1420, 1559, 2836, 3118, 3545, 6236, 7090, 7795, 14180, 15590, 31180, 50339, 100678, 110689, 201356, 221378, 251695, 442756, 503390, 553445, 1006780, 1105331, 1106890, 2210662, 2213780, 4421324, 5526655, 11053310, 22106620, 78478501, 156957002, 313914004, 392392505, 784785010, 1569570020]

約数ペア:

[(1, 1569570020), (2, 784785010), (4, 392392505), (5, 313914004), (10, 156957002), (20, 78478501), (71, 22106620), (142, 11053310), (284, 5526655), (355, 4421324), (709, 2213780), (710, 2210662), (1418, 1106890), (1420, 1105331), (1559, 1006780), (2836, 553445), (3118, 503390), (3545, 442756), (6236, 251695), (7090, 221378), (7795, 201356), (14180, 110689), (15590, 100678), (31180, 50339)]