142778140

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{3697}}^1$

素因数の和:5637

約数の個数: 24

約数和(自身を含む): 300070512

約数和(自身を除く): 157292372

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3697, 3862, 7394, 7724, 9655, 14788, 18485, 19310, 36970, 38620, 73940, 7138907, 14277814, 28555628, 35694535, 71389070, 142778140]

約数ペア:

[(1, 142778140), (2, 71389070), (4, 35694535), (5, 28555628), (10, 14277814), (20, 7138907), (1931, 73940), (3697, 38620), (3862, 36970), (7394, 19310), (7724, 18485), (9655, 14788)]