215857895675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2413

約数の個数: 96

約数和(自身を含む): 299575111680

約数和(自身を除く): 83717216005

約数列:

[1, 5, 17, 25, 31, 73, 85, 103, 155, 365, 425, 515, 527, 775, 1241, 1751, 1825, 2179, 2263, 2575, 2635, 3193, 6205, 7519, 8755, 10895, 11315, 13175, 15965, 31025, 37043, 37595, 38471, 43775, 54281, 54475, 56575, 67549, 79825, 127823, 159067, 185215, 187975, 192355, 224437, 233089, 271405, 337745, 639115, 795335, 926075, 961775, 1122185, 1148333, 1165445, 1357025, 1688725, 2704139, 3195575, 3815429, 3962513, 3976675, 4931077, 5610925, 5741665, 5827225, 6957547, 13520695, 16383901, 19077145, 19812565, 24655385, 28708325, 34787735, 67603475, 81919505, 83828309, 95385725, 99062825, 118278299, 123276925, 173938675, 278526317, 409597525, 419141545, 507900931, 591391495, 1392631585, 2095707725, 2539504655, 2956957475, 6963157925, 8634315827, 12697523275, 43171579135, 215857895675]

約数ペア:

[(1, 215857895675), (5, 43171579135), (17, 12697523275), (25, 8634315827), (31, 6963157925), (73, 2956957475), (85, 2539504655), (103, 2095707725), (155, 1392631585), (365, 591391495), (425, 507900931), (515, 419141545), (527, 409597525), (775, 278526317), (1241, 173938675), (1751, 123276925), (1825, 118278299), (2179, 99062825), (2263, 95385725), (2575, 83828309), (2635, 81919505), (3193, 67603475), (6205, 34787735), (7519, 28708325), (8755, 24655385), (10895, 19812565), (11315, 19077145), (13175, 16383901), (15965, 13520695), (31025, 6957547), (37043, 5827225), (37595, 5741665), (38471, 5610925), (43775, 4931077), (54281, 3976675), (54475, 3962513), (56575, 3815429), (67549, 3195575), (79825, 2704139), (127823, 1688725), (159067, 1357025), (185215, 1165445), (187975, 1148333), (192355, 1122185), (224437, 961775), (233089, 926075), (271405, 795335), (337745, 639115)]