1215940030

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{874777}}^1$

素因数の和:874923

約数の個数: 16

約数和(自身を含む): 2204440560

約数和(自身を除く): 988500530

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 874777, 1749554, 4373885, 8747770, 121594003, 243188006, 607970015, 1215940030]

約数ペア:

[(1, 1215940030), (2, 607970015), (5, 243188006), (10, 121594003), (139, 8747770), (278, 4373885), (695, 1749554), (1390, 874777)]