71994040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2203}}^1$

素因数の和:2276

約数の個数: 64

約数和(自身を含む): 174556800

約数和(自身を除く): 102562760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2203, 3268, 4085, 4406, 6536, 8170, 8812, 11015, 16340, 17624, 22030, 32680, 41857, 44060, 83714, 88120, 94729, 167428, 189458, 209285, 334856, 378916, 418570, 473645, 757832, 837140, 947290, 1674280, 1799851, 1894580, 3599702, 3789160, 7199404, 8999255, 14398808, 17998510, 35997020, 71994040]

約数ペア:

[(1, 71994040), (2, 35997020), (4, 17998510), (5, 14398808), (8, 8999255), (10, 7199404), (19, 3789160), (20, 3599702), (38, 1894580), (40, 1799851), (43, 1674280), (76, 947290), (86, 837140), (95, 757832), (152, 473645), (172, 418570), (190, 378916), (215, 334856), (344, 209285), (380, 189458), (430, 167428), (760, 94729), (817, 88120), (860, 83714), (1634, 44060), (1720, 41857), (2203, 32680), (3268, 22030), (4085, 17624), (4406, 16340), (6536, 11015), (8170, 8812)]