138977180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 302665440

約数和(自身を除く): 163688260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 1723, 2180, 3446, 4033, 6892, 8066, 8615, 16132, 17230, 20165, 34460, 40330, 63751, 80660, 127502, 187807, 255004, 318755, 375614, 637510, 751228, 939035, 1275020, 1878070, 3756140, 6948859, 13897718, 27795436, 34744295, 69488590, 138977180]

約数ペア:

[(1, 138977180), (2, 69488590), (4, 34744295), (5, 27795436), (10, 13897718), (20, 6948859), (37, 3756140), (74, 1878070), (109, 1275020), (148, 939035), (185, 751228), (218, 637510), (370, 375614), (436, 318755), (545, 255004), (740, 187807), (1090, 127502), (1723, 80660), (2180, 63751), (3446, 40330), (4033, 34460), (6892, 20165), (8066, 17230), (8615, 16132)]