1109990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 2320704

約数和(自身を除く): 1210714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 157, 202, 314, 505, 707, 785, 1010, 1099, 1414, 1570, 2198, 3535, 5495, 7070, 10990, 15857, 31714, 79285, 110999, 158570, 221998, 554995, 1109990]

約数ペア:

[(1, 1109990), (2, 554995), (5, 221998), (7, 158570), (10, 110999), (14, 79285), (35, 31714), (70, 15857), (101, 10990), (157, 7070), (202, 5495), (314, 3535), (505, 2198), (707, 1570), (785, 1414), (1010, 1099)]