219913340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1\times {\mathrm{719}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 475009920

約数和(自身を除く): 255096580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 373, 410, 719, 746, 820, 1438, 1492, 1865, 2876, 3595, 3730, 7190, 7460, 14380, 15293, 29479, 30586, 58958, 61172, 76465, 117916, 147395, 152930, 268187, 294790, 305860, 536374, 589580, 1072748, 1340935, 2681870, 5363740, 10995667, 21991334, 43982668, 54978335, 109956670, 219913340]

約数ペア:

[(1, 219913340), (2, 109956670), (4, 54978335), (5, 43982668), (10, 21991334), (20, 10995667), (41, 5363740), (82, 2681870), (164, 1340935), (205, 1072748), (373, 589580), (410, 536374), (719, 305860), (746, 294790), (820, 268187), (1438, 152930), (1492, 147395), (1865, 117916), (2876, 76465), (3595, 61172), (3730, 58958), (7190, 30586), (7460, 29479), (14380, 15293)]