2015148625

素因数分解:

$5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 2947276800

約数和(自身を除く): 932128175

約数列:

[1, 5, 7, 25, 35, 71, 125, 163, 175, 199, 355, 497, 815, 875, 995, 1141, 1393, 1775, 2485, 4075, 4975, 5705, 6965, 8875, 11573, 12425, 14129, 20375, 24875, 28525, 32437, 34825, 57865, 62125, 70645, 81011, 98903, 142625, 162185, 174125, 227059, 289325, 353225, 405055, 494515, 810925, 1135295, 1446625, 1766125, 2025275, 2303027, 2472575, 4054625, 5676475, 10126375, 11515135, 12362875, 16121189, 28382375, 57575675, 80605945, 287878375, 403029725, 2015148625]

約数ペア:

[(1, 2015148625), (5, 403029725), (7, 287878375), (25, 80605945), (35, 57575675), (71, 28382375), (125, 16121189), (163, 12362875), (175, 11515135), (199, 10126375), (355, 5676475), (497, 4054625), (815, 2472575), (875, 2303027), (995, 2025275), (1141, 1766125), (1393, 1446625), (1775, 1135295), (2485, 810925), (4075, 494515), (4975, 405055), (5705, 353225), (6965, 289325), (8875, 227059), (11573, 174125), (12425, 162185), (14129, 142625), (20375, 98903), (24875, 81011), (28525, 70645), (32437, 62125), (34825, 57865)]