2157090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5554

約数の個数: 32

約数和(自身を含む): 5576256

約数和(自身を除く): 3419166

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 5531, 11062, 16593, 27655, 33186, 55310, 71903, 82965, 143806, 165930, 215709, 359515, 431418, 719030, 1078545, 2157090]

約数ペア:

[(1, 2157090), (2, 1078545), (3, 719030), (5, 431418), (6, 359515), (10, 215709), (13, 165930), (15, 143806), (26, 82965), (30, 71903), (39, 55310), (65, 33186), (78, 27655), (130, 16593), (195, 11062), (390, 5531)]