205258425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 390153600

約数和(自身を除く): 184895175

約数列:

[1, 3, 5, 15, 17, 19, 25, 37, 51, 57, 75, 85, 95, 111, 185, 229, 255, 285, 323, 425, 475, 555, 629, 687, 703, 925, 969, 1145, 1275, 1425, 1615, 1887, 2109, 2775, 3145, 3435, 3515, 3893, 4351, 4845, 5725, 8075, 8473, 9435, 10545, 11679, 11951, 13053, 15725, 17175, 17575, 19465, 21755, 24225, 25419, 35853, 42365, 47175, 52725, 58395, 59755, 65265, 73967, 97325, 108775, 127095, 144041, 160987, 179265, 211825, 221901, 291975, 298775, 326325, 369835, 432123, 482961, 635475, 720205, 804935, 896325, 1109505, 1849175, 2160615, 2414805, 2736779, 3601025, 4024675, 5547525, 8210337, 10803075, 12074025, 13683895, 41051685, 68419475, 205258425]

約数ペア:

[(1, 205258425), (3, 68419475), (5, 41051685), (15, 13683895), (17, 12074025), (19, 10803075), (25, 8210337), (37, 5547525), (51, 4024675), (57, 3601025), (75, 2736779), (85, 2414805), (95, 2160615), (111, 1849175), (185, 1109505), (229, 896325), (255, 804935), (285, 720205), (323, 635475), (425, 482961), (475, 432123), (555, 369835), (629, 326325), (687, 298775), (703, 291975), (925, 221901), (969, 211825), (1145, 179265), (1275, 160987), (1425, 144041), (1615, 127095), (1887, 108775), (2109, 97325), (2775, 73967), (3145, 65265), (3435, 59755), (3515, 58395), (3893, 52725), (4351, 47175), (4845, 42365), (5725, 35853), (8075, 25419), (8473, 24225), (9435, 21755), (10545, 19465), (11679, 17575), (11951, 17175), (13053, 15725)]