74944220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{288247}}^1$

素因数の和:288269

約数の個数: 24

約数和(自身を含む): 169489824

約数和(自身を除く): 94545604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 288247, 576494, 1152988, 1441235, 2882470, 3747211, 5764940, 7494422, 14988844, 18736055, 37472110, 74944220]

約数ペア:

[(1, 74944220), (2, 37472110), (4, 18736055), (5, 14988844), (10, 7494422), (13, 5764940), (20, 3747211), (26, 2882470), (52, 1441235), (65, 1152988), (130, 576494), (260, 288247)]