203193925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 285696000

約数和(自身を除く): 82502075

約数列:

[1, 5, 11, 25, 47, 55, 79, 199, 235, 275, 395, 517, 869, 995, 1175, 1975, 2189, 2585, 3713, 4345, 4975, 9353, 10945, 12925, 15721, 18565, 21725, 40843, 46765, 54725, 78605, 92825, 102883, 172931, 204215, 233825, 393025, 514415, 738887, 864655, 1021075, 2572075, 3694435, 4323275, 8127757, 18472175, 40638785, 203193925]

約数ペア:

[(1, 203193925), (5, 40638785), (11, 18472175), (25, 8127757), (47, 4323275), (55, 3694435), (79, 2572075), (199, 1021075), (235, 864655), (275, 738887), (395, 514415), (517, 393025), (869, 233825), (995, 204215), (1175, 172931), (1975, 102883), (2189, 92825), (2585, 78605), (3713, 54725), (4345, 46765), (4975, 40843), (9353, 21725), (10945, 18565), (12925, 15721)]