342320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 870480

約数和(自身を除く): 528160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 389, 440, 778, 880, 1556, 1945, 3112, 3890, 4279, 6224, 7780, 8558, 15560, 17116, 21395, 31120, 34232, 42790, 68464, 85580, 171160, 342320]

約数ペア:

[(1, 342320), (2, 171160), (4, 85580), (5, 68464), (8, 42790), (10, 34232), (11, 31120), (16, 21395), (20, 17116), (22, 15560), (40, 8558), (44, 7780), (55, 6224), (80, 4279), (88, 3890), (110, 3112), (176, 1945), (220, 1556), (389, 880), (440, 778)]