221240750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 445685760

約数和(自身を除く): 224445010

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 125, 190, 235, 250, 470, 475, 893, 950, 991, 1175, 1786, 1982, 2350, 2375, 4465, 4750, 4955, 5875, 8930, 9910, 11750, 18829, 22325, 24775, 37658, 44650, 46577, 49550, 93154, 94145, 111625, 123875, 188290, 223250, 232885, 247750, 465770, 470725, 884963, 941450, 1164425, 1769926, 2328850, 2353625, 4424815, 4707250, 5822125, 8849630, 11644250, 22124075, 44248150, 110620375, 221240750]

約数ペア:

[(1, 221240750), (2, 110620375), (5, 44248150), (10, 22124075), (19, 11644250), (25, 8849630), (38, 5822125), (47, 4707250), (50, 4424815), (94, 2353625), (95, 2328850), (125, 1769926), (190, 1164425), (235, 941450), (250, 884963), (470, 470725), (475, 465770), (893, 247750), (950, 232885), (991, 223250), (1175, 188290), (1786, 123875), (1982, 111625), (2350, 94145), (2375, 93154), (4465, 49550), (4750, 46577), (4955, 44650), (5875, 37658), (8930, 24775), (9910, 22325), (11750, 18829)]