299115440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{287611}}^1$

素因数の和:287637

約数の個数: 40

約数和(自身を含む): 748941648

約数和(自身を除く): 449826208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 287611, 575222, 1150444, 1438055, 2300888, 2876110, 3738943, 4601776, 5752220, 7477886, 11504440, 14955772, 18694715, 23008880, 29911544, 37389430, 59823088, 74778860, 149557720, 299115440]

約数ペア:

[(1, 299115440), (2, 149557720), (4, 74778860), (5, 59823088), (8, 37389430), (10, 29911544), (13, 23008880), (16, 18694715), (20, 14955772), (26, 11504440), (40, 7477886), (52, 5752220), (65, 4601776), (80, 3738943), (104, 2876110), (130, 2300888), (208, 1438055), (260, 1150444), (520, 575222), (1040, 287611)]