201489925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2857}}^1$

素因数の和:2918

約数の個数: 48

約数和(自身を含む): 317535232

約数和(自身を除く): 116045307

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 2015, 2275, 2821, 2857, 5425, 10075, 14105, 14285, 19999, 37141, 70525, 71425, 88567, 99995, 185705, 259987, 442835, 499975, 619969, 928525, 1151371, 1299935, 2214175, 3099845, 5756855, 6499675, 8059597, 15499225, 28784275, 40297985, 201489925]

約数ペア:

[(1, 201489925), (5, 40297985), (7, 28784275), (13, 15499225), (25, 8059597), (31, 6499675), (35, 5756855), (65, 3099845), (91, 2214175), (155, 1299935), (175, 1151371), (217, 928525), (325, 619969), (403, 499975), (455, 442835), (775, 259987), (1085, 185705), (2015, 99995), (2275, 88567), (2821, 71425), (2857, 70525), (5425, 37141), (10075, 19999), (14105, 14285)]