208031020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3851}}^1$

素因数の和:3970

約数の個数: 48

約数和(自身を含む): 454936608

約数和(自身を除く): 246905588

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 730, 740, 1460, 2701, 3851, 5402, 7702, 10804, 13505, 15404, 19255, 27010, 38510, 54020, 77020, 142487, 281123, 284974, 562246, 569948, 712435, 1124492, 1405615, 1424870, 2811230, 2849740, 5622460, 10401551, 20803102, 41606204, 52007755, 104015510, 208031020]

約数ペア:

[(1, 208031020), (2, 104015510), (4, 52007755), (5, 41606204), (10, 20803102), (20, 10401551), (37, 5622460), (73, 2849740), (74, 2811230), (146, 1424870), (148, 1405615), (185, 1124492), (292, 712435), (365, 569948), (370, 562246), (730, 284974), (740, 281123), (1460, 142487), (2701, 77020), (3851, 54020), (5402, 38510), (7702, 27010), (10804, 19255), (13505, 15404)]