4927991780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{133261}}^1$

素因数の和:133356

約数の個数: 36

約数和(自身を含む): 10595128572

約数和(自身を除く): 5667136792

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 7396, 9245, 18490, 36980, 133261, 266522, 533044, 666305, 1332610, 2665220, 5730223, 11460446, 22920892, 28651115, 57302230, 114604460, 246399589, 492799178, 985598356, 1231997945, 2463995890, 4927991780]

約数ペア:

[(1, 4927991780), (2, 2463995890), (4, 1231997945), (5, 985598356), (10, 492799178), (20, 246399589), (43, 114604460), (86, 57302230), (172, 28651115), (215, 22920892), (430, 11460446), (860, 5730223), (1849, 2665220), (3698, 1332610), (7396, 666305), (9245, 533044), (18490, 266522), (36980, 133261)]