208910910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{535669}}^1$

素因数の和:535692

約数の個数: 32

約数和(自身を含む): 539955360

約数和(自身を除く): 331044450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 535669, 1071338, 1607007, 2678345, 3214014, 5356690, 6963697, 8035035, 13927394, 16070070, 20891091, 34818485, 41782182, 69636970, 104455455, 208910910]

約数ペア:

[(1, 208910910), (2, 104455455), (3, 69636970), (5, 41782182), (6, 34818485), (10, 20891091), (13, 16070070), (15, 13927394), (26, 8035035), (30, 6963697), (39, 5356690), (65, 3214014), (78, 2678345), (130, 1607007), (195, 1071338), (390, 535669)]