431370290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{144271}}^1$

素因数の和:144314

約数の個数: 32

約数和(自身を含む): 872557056

約数和(自身を除く): 441186766

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 144271, 288542, 721355, 1442710, 1875523, 3318233, 3751046, 6636466, 9377615, 16591165, 18755230, 33182330, 43137029, 86274058, 215685145, 431370290]

約数ペア:

[(1, 431370290), (2, 215685145), (5, 86274058), (10, 43137029), (13, 33182330), (23, 18755230), (26, 16591165), (46, 9377615), (65, 6636466), (115, 3751046), (130, 3318233), (230, 1875523), (299, 1442710), (598, 721355), (1495, 288542), (2990, 144271)]