22737740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 49896000

約数和(自身を除く): 27158260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 197, 199, 290, 394, 398, 580, 788, 796, 985, 995, 1970, 1990, 3940, 3980, 5713, 5771, 11426, 11542, 22852, 23084, 28565, 28855, 39203, 57130, 57710, 78406, 114260, 115420, 156812, 196015, 392030, 784060, 1136887, 2273774, 4547548, 5684435, 11368870, 22737740]

約数ペア:

[(1, 22737740), (2, 11368870), (4, 5684435), (5, 4547548), (10, 2273774), (20, 1136887), (29, 784060), (58, 392030), (116, 196015), (145, 156812), (197, 115420), (199, 114260), (290, 78406), (394, 57710), (398, 57130), (580, 39203), (788, 28855), (796, 28565), (985, 23084), (995, 22852), (1970, 11542), (1990, 11426), (3940, 5771), (3980, 5713)]