99974840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1289}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 258206400

約数和(自身を除く): 158231560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 1108, 1289, 1385, 1939, 2216, 2578, 2770, 3878, 5156, 5540, 6445, 7756, 9023, 9695, 10312, 11080, 12890, 15512, 18046, 19390, 25780, 36092, 38780, 45115, 51560, 72184, 77560, 90230, 180460, 357053, 360920, 714106, 1428212, 1785265, 2499371, 2856424, 3570530, 4998742, 7141060, 9997484, 12496855, 14282120, 19994968, 24993710, 49987420, 99974840]

約数ペア:

[(1, 99974840), (2, 49987420), (4, 24993710), (5, 19994968), (7, 14282120), (8, 12496855), (10, 9997484), (14, 7141060), (20, 4998742), (28, 3570530), (35, 2856424), (40, 2499371), (56, 1785265), (70, 1428212), (140, 714106), (277, 360920), (280, 357053), (554, 180460), (1108, 90230), (1289, 77560), (1385, 72184), (1939, 51560), (2216, 45115), (2578, 38780), (2770, 36092), (3878, 25780), (5156, 19390), (5540, 18046), (6445, 15512), (7756, 12890), (9023, 11080), (9695, 10312)]