207941825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 326764800

約数和(自身を除く): 118822975

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 89, 91, 169, 175, 325, 395, 445, 455, 553, 623, 845, 1027, 1157, 1183, 1975, 2225, 2275, 2765, 3115, 4225, 5135, 5785, 5915, 7031, 7189, 8099, 13351, 13825, 15041, 15575, 25675, 28925, 29575, 35155, 35945, 40495, 49217, 66755, 75205, 91403, 93457, 105287, 175775, 179725, 202475, 246085, 333775, 376025, 457015, 467285, 526435, 639821, 1188239, 1230425, 2285075, 2336425, 2632175, 3199105, 5941195, 8317673, 15995525, 29705975, 41588365, 207941825]

約数ペア:

[(1, 207941825), (5, 41588365), (7, 29705975), (13, 15995525), (25, 8317673), (35, 5941195), (65, 3199105), (79, 2632175), (89, 2336425), (91, 2285075), (169, 1230425), (175, 1188239), (325, 639821), (395, 526435), (445, 467285), (455, 457015), (553, 376025), (623, 333775), (845, 246085), (1027, 202475), (1157, 179725), (1183, 175775), (1975, 105287), (2225, 93457), (2275, 91403), (2765, 75205), (3115, 66755), (4225, 49217), (5135, 40495), (5785, 35945), (5915, 35155), (7031, 29575), (7189, 28925), (8099, 25675), (13351, 15575), (13825, 15041)]