227988220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1109}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 505360800

約数和(自身を除く): 277372580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 541, 1082, 1109, 2164, 2218, 2705, 4436, 5410, 5545, 10279, 10820, 11090, 20558, 21071, 22180, 41116, 42142, 51395, 84284, 102790, 105355, 205580, 210710, 421420, 599969, 1199938, 2399876, 2999845, 5999690, 11399411, 11999380, 22798822, 45597644, 56997055, 113994110, 227988220]

約数ペア:

[(1, 227988220), (2, 113994110), (4, 56997055), (5, 45597644), (10, 22798822), (19, 11999380), (20, 11399411), (38, 5999690), (76, 2999845), (95, 2399876), (190, 1199938), (380, 599969), (541, 421420), (1082, 210710), (1109, 205580), (2164, 105355), (2218, 102790), (2705, 84284), (4436, 51395), (5410, 42142), (5545, 41116), (10279, 22180), (10820, 21071), (11090, 20558)]