1389723730

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1\times {\mathrm{2633}}^1$

素因数の和:3810

約数の個数: 32

約数和(自身を含む): 2557972224

約数和(自身を除く): 1168248494

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 1123, 2246, 2633, 5266, 5615, 11230, 13165, 26330, 52781, 105562, 123751, 247502, 263905, 527810, 618755, 1237510, 2956859, 5913718, 14784295, 29568590, 138972373, 277944746, 694861865, 1389723730]

約数ペア:

[(1, 1389723730), (2, 694861865), (5, 277944746), (10, 138972373), (47, 29568590), (94, 14784295), (235, 5913718), (470, 2956859), (1123, 1237510), (2246, 618755), (2633, 527810), (5266, 263905), (5615, 247502), (11230, 123751), (13165, 105562), (26330, 52781)]