38182780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 85428000

約数和(自身を除く): 47245220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1129, 1691, 1780, 2258, 3382, 4516, 5645, 6764, 8455, 11290, 16910, 21451, 22580, 33820, 42902, 85804, 100481, 107255, 200962, 214510, 401924, 429020, 502405, 1004810, 1909139, 2009620, 3818278, 7636556, 9545695, 19091390, 38182780]

約数ペア:

[(1, 38182780), (2, 19091390), (4, 9545695), (5, 7636556), (10, 3818278), (19, 2009620), (20, 1909139), (38, 1004810), (76, 502405), (89, 429020), (95, 401924), (178, 214510), (190, 200962), (356, 107255), (380, 100481), (445, 85804), (890, 42902), (1129, 33820), (1691, 22580), (1780, 21451), (2258, 16910), (3382, 11290), (4516, 8455), (5645, 6764)]