307120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 781200

約数和(自身を除く): 474080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 349, 440, 698, 880, 1396, 1745, 2792, 3490, 3839, 5584, 6980, 7678, 13960, 15356, 19195, 27920, 30712, 38390, 61424, 76780, 153560, 307120]

約数ペア:

[(1, 307120), (2, 153560), (4, 76780), (5, 61424), (8, 38390), (10, 30712), (11, 27920), (16, 19195), (20, 15356), (22, 13960), (40, 7678), (44, 6980), (55, 5584), (80, 3839), (88, 3490), (110, 2792), (176, 1745), (220, 1396), (349, 880), (440, 698)]