49987420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1289}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 120496320

約数和(自身を除く): 70508900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1289, 1385, 1939, 2578, 2770, 3878, 5156, 5540, 6445, 7756, 9023, 9695, 12890, 18046, 19390, 25780, 36092, 38780, 45115, 90230, 180460, 357053, 714106, 1428212, 1785265, 2499371, 3570530, 4998742, 7141060, 9997484, 12496855, 24993710, 49987420]

約数ペア:

[(1, 49987420), (2, 24993710), (4, 12496855), (5, 9997484), (7, 7141060), (10, 4998742), (14, 3570530), (20, 2499371), (28, 1785265), (35, 1428212), (70, 714106), (140, 357053), (277, 180460), (554, 90230), (1108, 45115), (1289, 38780), (1385, 36092), (1939, 25780), (2578, 19390), (2770, 18046), (3878, 12890), (5156, 9695), (5540, 9023), (6445, 7756)]