340003640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{811}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 785756160

約数和(自身を除く): 445752520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 223, 235, 376, 446, 470, 811, 892, 940, 1115, 1622, 1784, 1880, 2230, 3244, 4055, 4460, 6488, 8110, 8920, 10481, 16220, 20962, 32440, 38117, 41924, 52405, 76234, 83848, 104810, 152468, 180853, 190585, 209620, 304936, 361706, 381170, 419240, 723412, 762340, 904265, 1446824, 1524680, 1808530, 3617060, 7234120, 8500091, 17000182, 34000364, 42500455, 68000728, 85000910, 170001820, 340003640]

約数ペア:

[(1, 340003640), (2, 170001820), (4, 85000910), (5, 68000728), (8, 42500455), (10, 34000364), (20, 17000182), (40, 8500091), (47, 7234120), (94, 3617060), (188, 1808530), (223, 1524680), (235, 1446824), (376, 904265), (446, 762340), (470, 723412), (811, 419240), (892, 381170), (940, 361706), (1115, 304936), (1622, 209620), (1784, 190585), (1880, 180853), (2230, 152468), (3244, 104810), (4055, 83848), (4460, 76234), (6488, 52405), (8110, 41924), (8920, 38117), (10481, 32440), (16220, 20962)]