28265800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 69995520

約数和(自身を除く): 41729720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 47, 50, 62, 94, 97, 100, 124, 155, 188, 194, 200, 235, 248, 310, 376, 388, 470, 485, 620, 775, 776, 940, 970, 1175, 1240, 1457, 1550, 1880, 1940, 2350, 2425, 2914, 3007, 3100, 3880, 4559, 4700, 4850, 5828, 6014, 6200, 7285, 9118, 9400, 9700, 11656, 12028, 14570, 15035, 18236, 19400, 22795, 24056, 29140, 30070, 36425, 36472, 45590, 58280, 60140, 72850, 75175, 91180, 113975, 120280, 141329, 145700, 150350, 182360, 227950, 282658, 291400, 300700, 455900, 565316, 601400, 706645, 911800, 1130632, 1413290, 2826580, 3533225, 5653160, 7066450, 14132900, 28265800]

約数ペア:

[(1, 28265800), (2, 14132900), (4, 7066450), (5, 5653160), (8, 3533225), (10, 2826580), (20, 1413290), (25, 1130632), (31, 911800), (40, 706645), (47, 601400), (50, 565316), (62, 455900), (94, 300700), (97, 291400), (100, 282658), (124, 227950), (155, 182360), (188, 150350), (194, 145700), (200, 141329), (235, 120280), (248, 113975), (310, 91180), (376, 75175), (388, 72850), (470, 60140), (485, 58280), (620, 45590), (775, 36472), (776, 36425), (940, 30070), (970, 29140), (1175, 24056), (1240, 22795), (1457, 19400), (1550, 18236), (1880, 15035), (1940, 14570), (2350, 12028), (2425, 11656), (2914, 9700), (3007, 9400), (3100, 9118), (3880, 7285), (4559, 6200), (4700, 6014), (4850, 5828)]