38994460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 87242400

約数和(自身を除く): 48247940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1153, 1691, 1780, 2306, 3382, 4612, 5765, 6764, 8455, 11530, 16910, 21907, 23060, 33820, 43814, 87628, 102617, 109535, 205234, 219070, 410468, 438140, 513085, 1026170, 1949723, 2052340, 3899446, 7798892, 9748615, 19497230, 38994460]

約数ペア:

[(1, 38994460), (2, 19497230), (4, 9748615), (5, 7798892), (10, 3899446), (19, 2052340), (20, 1949723), (38, 1026170), (76, 513085), (89, 438140), (95, 410468), (178, 219070), (190, 205234), (356, 109535), (380, 102617), (445, 87628), (890, 43814), (1153, 33820), (1691, 23060), (1780, 21907), (2306, 16910), (3382, 11530), (4612, 8455), (5765, 6764)]