38863217450

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{449}}^1\times {\mathrm{8699}}^1$

素因数の和:9359

約数の個数: 48

約数和(自身を含む): 72819000000

約数和(自身を除く): 33955782550

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 449, 898, 995, 1990, 2245, 4490, 4975, 8699, 9950, 11225, 17398, 22450, 43495, 86990, 89351, 178702, 217475, 434950, 446755, 893510, 1731101, 2233775, 3462202, 3905851, 4467550, 7811702, 8655505, 17311010, 19529255, 39058510, 43277525, 86555050, 97646275, 195292550, 777264349, 1554528698, 3886321745, 7772643490, 19431608725, 38863217450]

約数ペア:

[(1, 38863217450), (2, 19431608725), (5, 7772643490), (10, 3886321745), (25, 1554528698), (50, 777264349), (199, 195292550), (398, 97646275), (449, 86555050), (898, 43277525), (995, 39058510), (1990, 19529255), (2245, 17311010), (4490, 8655505), (4975, 7811702), (8699, 4467550), (9950, 3905851), (11225, 3462202), (17398, 2233775), (22450, 1731101), (43495, 893510), (86990, 446755), (89351, 434950), (178702, 217475)]