208221700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{29327}}^1$

素因数の和:29412

約数の個数: 36

約数和(自身を含む): 458220672

約数和(自身を除く): 249998972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 29327, 58654, 117308, 146635, 293270, 586540, 733175, 1466350, 2082217, 2932700, 4164434, 8328868, 10411085, 20822170, 41644340, 52055425, 104110850, 208221700]

約数ペア:

[(1, 208221700), (2, 104110850), (4, 52055425), (5, 41644340), (10, 20822170), (20, 10411085), (25, 8328868), (50, 4164434), (71, 2932700), (100, 2082217), (142, 1466350), (284, 733175), (355, 586540), (710, 293270), (1420, 146635), (1775, 117308), (3550, 58654), (7100, 29327)]