78059740

素因数分解:

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

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 179827200

約数和(自身を除く): 101767460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1783, 1990, 2189, 3566, 3980, 4378, 7132, 8756, 8915, 10945, 17830, 19613, 21890, 35660, 39226, 43780, 78452, 98065, 196130, 354817, 392260, 709634, 1419268, 1774085, 3548170, 3902987, 7096340, 7805974, 15611948, 19514935, 39029870, 78059740]

約数ペア:

[(1, 78059740), (2, 39029870), (4, 19514935), (5, 15611948), (10, 7805974), (11, 7096340), (20, 3902987), (22, 3548170), (44, 1774085), (55, 1419268), (110, 709634), (199, 392260), (220, 354817), (398, 196130), (796, 98065), (995, 78452), (1783, 43780), (1990, 39226), (2189, 35660), (3566, 21890), (3980, 19613), (4378, 17830), (7132, 10945), (8756, 8915)]