256431030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449879}}^1$

素因数の和:449908

約数の個数: 32

約数和(自身を含む): 647827200

約数和(自身を除く): 391396170

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 449879, 899758, 1349637, 2249395, 2699274, 4498790, 6748185, 8547701, 13496370, 17095402, 25643103, 42738505, 51286206, 85477010, 128215515, 256431030]

約数ペア:

[(1, 256431030), (2, 128215515), (3, 85477010), (5, 51286206), (6, 42738505), (10, 25643103), (15, 17095402), (19, 13496370), (30, 8547701), (38, 6748185), (57, 4498790), (95, 2699274), (114, 2249395), (190, 1349637), (285, 899758), (570, 449879)]