31795225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 18201575

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 83, 175, 199, 275, 385, 415, 581, 913, 995, 1393, 1925, 2075, 2189, 2905, 4565, 4975, 6391, 6965, 10945, 14525, 15323, 16517, 22825, 31955, 34825, 54725, 76615, 82585, 115619, 159775, 181687, 383075, 412925, 578095, 908435, 1271809, 2890475, 4542175, 6359045, 31795225]

約数ペア:

[(1, 31795225), (5, 6359045), (7, 4542175), (11, 2890475), (25, 1271809), (35, 908435), (55, 578095), (77, 412925), (83, 383075), (175, 181687), (199, 159775), (275, 115619), (385, 82585), (415, 76615), (581, 54725), (913, 34825), (995, 31955), (1393, 22825), (1925, 16517), (2075, 15323), (2189, 14525), (2905, 10945), (4565, 6965), (4975, 6391)]