206477425

素因数分解:

$5^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 329840000

約数和(自身を除く): 123362575

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 121, 175, 199, 245, 275, 343, 385, 539, 605, 847, 995, 1225, 1393, 1715, 1925, 2189, 2695, 3025, 3773, 4235, 4975, 5929, 6965, 8575, 9751, 10945, 13475, 15323, 18865, 21175, 24079, 29645, 34825, 41503, 48755, 54725, 68257, 76615, 94325, 107261, 120395, 148225, 168553, 207515, 243775, 341285, 383075, 536305, 601975, 750827, 842765, 1037575, 1179871, 1706425, 2681525, 3754135, 4213825, 5899355, 8259097, 18770675, 29496775, 41295485, 206477425]

約数ペア:

[(1, 206477425), (5, 41295485), (7, 29496775), (11, 18770675), (25, 8259097), (35, 5899355), (49, 4213825), (55, 3754135), (77, 2681525), (121, 1706425), (175, 1179871), (199, 1037575), (245, 842765), (275, 750827), (343, 601975), (385, 536305), (539, 383075), (605, 341285), (847, 243775), (995, 207515), (1225, 168553), (1393, 148225), (1715, 120395), (1925, 107261), (2189, 94325), (2695, 76615), (3025, 68257), (3773, 54725), (4235, 48755), (4975, 41503), (5929, 34825), (6965, 29645), (8575, 24079), (9751, 21175), (10945, 18865), (13475, 15323)]