208896260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{28933}}^1$

素因数の和:28980

約数の個数: 36

約数和(自身を含む): 463001868

約数和(自身を除く): 254105608

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 28933, 57866, 115732, 144665, 289330, 549727, 578660, 1099454, 2198908, 2748635, 5497270, 10444813, 10994540, 20889626, 41779252, 52224065, 104448130, 208896260]

約数ペア:

[(1, 208896260), (2, 104448130), (4, 52224065), (5, 41779252), (10, 20889626), (19, 10994540), (20, 10444813), (38, 5497270), (76, 2748635), (95, 2198908), (190, 1099454), (361, 578660), (380, 549727), (722, 289330), (1444, 144665), (1805, 115732), (3610, 57866), (7220, 28933)]