99721980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{554011}}^1$

素因数の和:554026

約数の個数: 36

約数和(自身を含む): 302490552

約数和(自身を除く): 202768572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 554011, 1108022, 1662033, 2216044, 2770055, 3324066, 4986099, 5540110, 6648132, 8310165, 9972198, 11080220, 16620330, 19944396, 24930495, 33240660, 49860990, 99721980]

約数ペア:

[(1, 99721980), (2, 49860990), (3, 33240660), (4, 24930495), (5, 19944396), (6, 16620330), (9, 11080220), (10, 9972198), (12, 8310165), (15, 6648132), (18, 5540110), (20, 4986099), (30, 3324066), (36, 2770055), (45, 2216044), (60, 1662033), (90, 1108022), (180, 554011)]