89990280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{249973}}^1$

素因数の和:249990

約数の個数: 48

約数和(自身を含む): 292469580

約数和(自身を除く): 202479300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 249973, 499946, 749919, 999892, 1249865, 1499838, 1999784, 2249757, 2499730, 2999676, 3749595, 4499514, 4999460, 5999352, 7499190, 8999028, 9998920, 11248785, 14998380, 17998056, 22497570, 29996760, 44995140, 89990280]

約数ペア:

[(1, 89990280), (2, 44995140), (3, 29996760), (4, 22497570), (5, 17998056), (6, 14998380), (8, 11248785), (9, 9998920), (10, 8999028), (12, 7499190), (15, 5999352), (18, 4999460), (20, 4499514), (24, 3749595), (30, 2999676), (36, 2499730), (40, 2249757), (45, 1999784), (60, 1499838), (72, 1249865), (90, 999892), (120, 749919), (180, 499946), (360, 249973)]