2656430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 5524416

約数和(自身を除く): 2867986

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 277, 554, 685, 959, 1370, 1385, 1918, 1939, 2770, 3878, 4795, 9590, 9695, 19390, 37949, 75898, 189745, 265643, 379490, 531286, 1328215, 2656430]

約数ペア:

[(1, 2656430), (2, 1328215), (5, 531286), (7, 379490), (10, 265643), (14, 189745), (35, 75898), (70, 37949), (137, 19390), (274, 9695), (277, 9590), (554, 4795), (685, 3878), (959, 2770), (1370, 1939), (1385, 1918)]