138878890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{7207}}^1$

素因数の和:7302

約数の個数: 32

約数和(自身を含む): 261563904

約数和(自身を除く): 122685014

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 235, 410, 470, 1927, 3854, 7207, 9635, 14414, 19270, 36035, 72070, 295487, 338729, 590974, 677458, 1477435, 1693645, 2954870, 3387290, 13887889, 27775778, 69439445, 138878890]

約数ペア:

[(1, 138878890), (2, 69439445), (5, 27775778), (10, 13887889), (41, 3387290), (47, 2954870), (82, 1693645), (94, 1477435), (205, 677458), (235, 590974), (410, 338729), (470, 295487), (1927, 72070), (3854, 36035), (7207, 19270), (9635, 14414)]