156119480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1783}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 385344000

約数和(自身を除く): 229224520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 995, 1592, 1783, 1990, 2189, 3566, 3980, 4378, 7132, 7960, 8756, 8915, 10945, 14264, 17512, 17830, 19613, 21890, 35660, 39226, 43780, 71320, 78452, 87560, 98065, 156904, 196130, 354817, 392260, 709634, 784520, 1419268, 1774085, 2838536, 3548170, 3902987, 7096340, 7805974, 14192680, 15611948, 19514935, 31223896, 39029870, 78059740, 156119480]

約数ペア:

[(1, 156119480), (2, 78059740), (4, 39029870), (5, 31223896), (8, 19514935), (10, 15611948), (11, 14192680), (20, 7805974), (22, 7096340), (40, 3902987), (44, 3548170), (55, 2838536), (88, 1774085), (110, 1419268), (199, 784520), (220, 709634), (398, 392260), (440, 354817), (796, 196130), (995, 156904), (1592, 98065), (1783, 87560), (1990, 78452), (2189, 71320), (3566, 43780), (3980, 39226), (4378, 35660), (7132, 21890), (7960, 19613), (8756, 17830), (8915, 17512), (10945, 14264)]