129620620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1607}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 282300480

約数和(自身を除く): 152679860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 1607, 2180, 3214, 4033, 6428, 8035, 8066, 16070, 16132, 20165, 32140, 40330, 59459, 80660, 118918, 175163, 237836, 297295, 350326, 594590, 700652, 875815, 1189180, 1751630, 3503260, 6481031, 12962062, 25924124, 32405155, 64810310, 129620620]

約数ペア:

[(1, 129620620), (2, 64810310), (4, 32405155), (5, 25924124), (10, 12962062), (20, 6481031), (37, 3503260), (74, 1751630), (109, 1189180), (148, 875815), (185, 700652), (218, 594590), (370, 350326), (436, 297295), (545, 237836), (740, 175163), (1090, 118918), (1607, 80660), (2180, 59459), (3214, 40330), (4033, 32140), (6428, 20165), (8035, 16132), (8066, 16070)]