311940880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{82963}}^1$

素因数の和:83023

約数の個数: 40

約数和(自身を含む): 740702592

約数和(自身を除く): 428761712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 82963, 165926, 331852, 414815, 663704, 829630, 1327408, 1659260, 3318520, 3899261, 6637040, 7798522, 15597044, 19496305, 31194088, 38992610, 62388176, 77985220, 155970440, 311940880]

約数ペア:

[(1, 311940880), (2, 155970440), (4, 77985220), (5, 62388176), (8, 38992610), (10, 31194088), (16, 19496305), (20, 15597044), (40, 7798522), (47, 6637040), (80, 3899261), (94, 3318520), (188, 1659260), (235, 1327408), (376, 829630), (470, 663704), (752, 414815), (940, 331852), (1880, 165926), (3760, 82963)]