490341780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2724121}}^1$

素因数の和:2724136

約数の個数: 36

約数和(自身を含む): 1487370612

約数和(自身を除く): 997028832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2724121, 5448242, 8172363, 10896484, 13620605, 16344726, 24517089, 27241210, 32689452, 40861815, 49034178, 54482420, 81723630, 98068356, 122585445, 163447260, 245170890, 490341780]

約数ペア:

[(1, 490341780), (2, 245170890), (3, 163447260), (4, 122585445), (5, 98068356), (6, 81723630), (9, 54482420), (10, 49034178), (12, 40861815), (15, 32689452), (18, 27241210), (20, 24517089), (30, 16344726), (36, 13620605), (45, 10896484), (60, 8172363), (90, 5448242), (180, 2724121)]