208068900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1782

約数の個数: 144

約数和(自身を含む): 669623808

約数和(自身を除く): 461554908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1209, 1300, 1550, 1612, 1721, 1860, 1950, 2015, 2325, 2418, 3100, 3442, 3900, 4030, 4650, 4836, 5163, 6045, 6884, 8060, 8605, 9300, 10075, 10326, 12090, 17210, 20150, 20652, 22373, 24180, 25815, 30225, 34420, 40300, 43025, 44746, 51630, 53351, 60450, 67119, 86050, 89492, 103260, 106702, 111865, 120900, 129075, 134238, 160053, 172100, 213404, 223730, 258150, 266755, 268476, 320106, 335595, 447460, 516300, 533510, 559325, 640212, 671190, 693563, 800265, 1067020, 1118650, 1333775, 1342380, 1387126, 1600530, 1677975, 2080689, 2237300, 2667550, 2774252, 3201060, 3355950, 3467815, 4001325, 4161378, 5335100, 6711900, 6935630, 8002650, 8322756, 10403445, 13871260, 16005300, 17339075, 20806890, 34678150, 41613780, 52017225, 69356300, 104034450, 208068900]

約数ペア:

[(1, 208068900), (2, 104034450), (3, 69356300), (4, 52017225), (5, 41613780), (6, 34678150), (10, 20806890), (12, 17339075), (13, 16005300), (15, 13871260), (20, 10403445), (25, 8322756), (26, 8002650), (30, 6935630), (31, 6711900), (39, 5335100), (50, 4161378), (52, 4001325), (60, 3467815), (62, 3355950), (65, 3201060), (75, 2774252), (78, 2667550), (93, 2237300), (100, 2080689), (124, 1677975), (130, 1600530), (150, 1387126), (155, 1342380), (156, 1333775), (186, 1118650), (195, 1067020), (260, 800265), (300, 693563), (310, 671190), (325, 640212), (372, 559325), (390, 533510), (403, 516300), (465, 447460), (620, 335595), (650, 320106), (775, 268476), (780, 266755), (806, 258150), (930, 223730), (975, 213404), (1209, 172100), (1300, 160053), (1550, 134238), (1612, 129075), (1721, 120900), (1860, 111865), (1950, 106702), (2015, 103260), (2325, 89492), (2418, 86050), (3100, 67119), (3442, 60450), (3900, 53351), (4030, 51630), (4650, 44746), (4836, 43025), (5163, 40300), (6045, 34420), (6884, 30225), (8060, 25815), (8605, 24180), (9300, 22373), (10075, 20652), (10326, 20150), (12090, 17210)]