977320520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2221183}}^1$

素因数の和:2221205

約数の個数: 32

約数和(自身を含む): 2398878720

約数和(自身を除く): 1421558200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2221183, 4442366, 8884732, 11105915, 17769464, 22211830, 24433013, 44423660, 48866026, 88847320, 97732052, 122165065, 195464104, 244330130, 488660260, 977320520]

約数ペア:

[(1, 977320520), (2, 488660260), (4, 244330130), (5, 195464104), (8, 122165065), (10, 97732052), (11, 88847320), (20, 48866026), (22, 44423660), (40, 24433013), (44, 22211830), (55, 17769464), (88, 11105915), (110, 8884732), (220, 4442366), (440, 2221183)]