8630620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 18960480

約数和(自身を除く): 10329860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 109, 148, 185, 214, 218, 370, 428, 436, 535, 545, 740, 1070, 1090, 2140, 2180, 3959, 4033, 7918, 8066, 11663, 15836, 16132, 19795, 20165, 23326, 39590, 40330, 46652, 58315, 79180, 80660, 116630, 233260, 431531, 863062, 1726124, 2157655, 4315310, 8630620]

約数ペア:

[(1, 8630620), (2, 4315310), (4, 2157655), (5, 1726124), (10, 863062), (20, 431531), (37, 233260), (74, 116630), (107, 80660), (109, 79180), (148, 58315), (185, 46652), (214, 40330), (218, 39590), (370, 23326), (428, 20165), (436, 19795), (535, 16132), (545, 15836), (740, 11663), (1070, 8066), (1090, 7918), (2140, 4033), (2180, 3959)]