2990910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7669}}^1$

素因数の和:7692

約数の個数: 32

約数和(自身を含む): 7731360

約数和(自身を除く): 4740450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 7669, 15338, 23007, 38345, 46014, 76690, 99697, 115035, 199394, 230070, 299091, 498485, 598182, 996970, 1495455, 2990910]

約数ペア:

[(1, 2990910), (2, 1495455), (3, 996970), (5, 598182), (6, 498485), (10, 299091), (13, 230070), (15, 199394), (26, 115035), (30, 99697), (39, 76690), (65, 46014), (78, 38345), (130, 23007), (195, 15338), (390, 7669)]