205449375

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 369881600

約数和(自身を除く): 164432225

約数列:

[1, 3, 5, 15, 19, 25, 57, 73, 75, 79, 95, 125, 219, 237, 285, 365, 375, 395, 475, 625, 1095, 1185, 1387, 1425, 1501, 1825, 1875, 1975, 2375, 4161, 4503, 5475, 5767, 5925, 6935, 7125, 7505, 9125, 9875, 11875, 17301, 20805, 22515, 27375, 28835, 29625, 34675, 35625, 37525, 45625, 49375, 86505, 104025, 109573, 112575, 136875, 144175, 148125, 173375, 187625, 328719, 432525, 520125, 547865, 562875, 720875, 866875, 938125, 1643595, 2162625, 2600625, 2739325, 2814375, 3604375, 8217975, 10813125, 13696625, 41089875, 68483125, 205449375]

約数ペア:

[(1, 205449375), (3, 68483125), (5, 41089875), (15, 13696625), (19, 10813125), (25, 8217975), (57, 3604375), (73, 2814375), (75, 2739325), (79, 2600625), (95, 2162625), (125, 1643595), (219, 938125), (237, 866875), (285, 720875), (365, 562875), (375, 547865), (395, 520125), (475, 432525), (625, 328719), (1095, 187625), (1185, 173375), (1387, 148125), (1425, 144175), (1501, 136875), (1825, 112575), (1875, 109573), (1975, 104025), (2375, 86505), (4161, 49375), (4503, 45625), (5475, 37525), (5767, 35625), (5925, 34675), (6935, 29625), (7125, 28835), (7505, 27375), (9125, 22515), (9875, 20805), (11875, 17301)]