42999020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 92752128

約数和(自身を除く): 49753108

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 283, 284, 355, 428, 535, 566, 710, 1070, 1132, 1415, 1420, 2140, 2830, 5660, 7597, 15194, 20093, 30281, 30388, 37985, 40186, 60562, 75970, 80372, 100465, 121124, 151405, 151940, 200930, 302810, 401860, 605620, 2149951, 4299902, 8599804, 10749755, 21499510, 42999020]

約数ペア:

[(1, 42999020), (2, 21499510), (4, 10749755), (5, 8599804), (10, 4299902), (20, 2149951), (71, 605620), (107, 401860), (142, 302810), (214, 200930), (283, 151940), (284, 151405), (355, 121124), (428, 100465), (535, 80372), (566, 75970), (710, 60562), (1070, 40186), (1132, 37985), (1415, 30388), (1420, 30281), (2140, 20093), (2830, 15194), (5660, 7597)]