2207140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{653}}^1$

素因数の和:688

約数の個数: 36

約数和(自身を含む): 5026644

約数和(自身を除く): 2819504

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 653, 676, 845, 1306, 1690, 2612, 3265, 3380, 6530, 8489, 13060, 16978, 33956, 42445, 84890, 110357, 169780, 220714, 441428, 551785, 1103570, 2207140]

約数ペア:

[(1, 2207140), (2, 1103570), (4, 551785), (5, 441428), (10, 220714), (13, 169780), (20, 110357), (26, 84890), (52, 42445), (65, 33956), (130, 16978), (169, 13060), (260, 8489), (338, 6530), (653, 3380), (676, 3265), (845, 2612), (1306, 1690)]