4920260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 10884720

約数和(自身を除く): 5964460

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 109, 122, 148, 185, 218, 244, 305, 370, 436, 545, 610, 740, 1090, 1220, 2180, 2257, 4033, 4514, 6649, 8066, 9028, 11285, 13298, 16132, 20165, 22570, 26596, 33245, 40330, 45140, 66490, 80660, 132980, 246013, 492026, 984052, 1230065, 2460130, 4920260]

約数ペア:

[(1, 4920260), (2, 2460130), (4, 1230065), (5, 984052), (10, 492026), (20, 246013), (37, 132980), (61, 80660), (74, 66490), (109, 45140), (122, 40330), (148, 33245), (185, 26596), (218, 22570), (244, 20165), (305, 16132), (370, 13298), (436, 11285), (545, 9028), (610, 8066), (740, 6649), (1090, 4514), (1220, 4033), (2180, 2257)]