888926020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{3539}}^1$

素因数の和:4228

約数の個数: 48

約数和(自身を含む): 1968523200

約数和(自身を除く): 1079597180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 661, 1322, 2644, 3305, 3539, 6610, 7078, 12559, 13220, 14156, 17695, 25118, 35390, 50236, 62795, 67241, 70780, 125590, 134482, 251180, 268964, 336205, 672410, 1344820, 2339279, 4678558, 9357116, 11696395, 23392790, 44446301, 46785580, 88892602, 177785204, 222231505, 444463010, 888926020]

約数ペア:

[(1, 888926020), (2, 444463010), (4, 222231505), (5, 177785204), (10, 88892602), (19, 46785580), (20, 44446301), (38, 23392790), (76, 11696395), (95, 9357116), (190, 4678558), (380, 2339279), (661, 1344820), (1322, 672410), (2644, 336205), (3305, 268964), (3539, 251180), (6610, 134482), (7078, 125590), (12559, 70780), (13220, 67241), (14156, 62795), (17695, 50236), (25118, 35390)]