201838900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2665

約数の個数: 72

約数和(自身を含む): 472469760

約数和(自身を除く): 270630860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 2050, 2591, 3116, 3895, 4100, 5182, 7790, 10364, 12955, 15580, 19475, 25910, 38950, 49229, 51820, 64775, 77900, 98458, 106231, 129550, 196916, 212462, 246145, 259100, 424924, 492290, 531155, 984580, 1062310, 1230725, 2018389, 2124620, 2461450, 2655775, 4036778, 4922900, 5311550, 8073556, 10091945, 10623100, 20183890, 40367780, 50459725, 100919450, 201838900]

約数ペア:

[(1, 201838900), (2, 100919450), (4, 50459725), (5, 40367780), (10, 20183890), (19, 10623100), (20, 10091945), (25, 8073556), (38, 5311550), (41, 4922900), (50, 4036778), (76, 2655775), (82, 2461450), (95, 2124620), (100, 2018389), (164, 1230725), (190, 1062310), (205, 984580), (380, 531155), (410, 492290), (475, 424924), (779, 259100), (820, 246145), (950, 212462), (1025, 196916), (1558, 129550), (1900, 106231), (2050, 98458), (2591, 77900), (3116, 64775), (3895, 51820), (4100, 49229), (5182, 38950), (7790, 25910), (10364, 19475), (12955, 15580)]