821882425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 1349913600

約数和(自身を除く): 528031175

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 79, 85, 91, 119, 175, 221, 269, 325, 395, 425, 455, 553, 595, 1027, 1105, 1343, 1345, 1547, 1883, 1975, 2275, 2765, 2975, 3497, 4573, 5135, 5525, 6715, 6725, 7189, 7735, 9401, 9415, 13825, 17459, 17485, 21251, 22865, 24479, 25675, 32011, 33575, 35945, 38675, 47005, 47075, 59449, 87295, 87425, 106255, 114325, 122213, 122395, 148757, 160055, 179725, 235025, 276263, 297245, 361267, 416143, 436475, 531275, 611065, 611975, 743785, 800275, 1381315, 1486225, 1806335, 1933841, 2080715, 2528869, 3055325, 3718925, 4696471, 6906575, 9031675, 9669205, 10403575, 12644345, 23482355, 32875297, 48346025, 63221725, 117411775, 164376485, 821882425]

約数ペア:

[(1, 821882425), (5, 164376485), (7, 117411775), (13, 63221725), (17, 48346025), (25, 32875297), (35, 23482355), (65, 12644345), (79, 10403575), (85, 9669205), (91, 9031675), (119, 6906575), (175, 4696471), (221, 3718925), (269, 3055325), (325, 2528869), (395, 2080715), (425, 1933841), (455, 1806335), (553, 1486225), (595, 1381315), (1027, 800275), (1105, 743785), (1343, 611975), (1345, 611065), (1547, 531275), (1883, 436475), (1975, 416143), (2275, 361267), (2765, 297245), (2975, 276263), (3497, 235025), (4573, 179725), (5135, 160055), (5525, 148757), (6715, 122395), (6725, 122213), (7189, 114325), (7735, 106255), (9401, 87425), (9415, 87295), (13825, 59449), (17459, 47075), (17485, 47005), (21251, 38675), (22865, 35945), (24479, 33575), (25675, 32011)]