1705000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 80

約数和(自身を含む): 4498560

約数和(自身を除く): 2793560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 124, 125, 155, 200, 220, 248, 250, 275, 310, 341, 440, 500, 550, 620, 625, 682, 775, 1000, 1100, 1240, 1250, 1364, 1375, 1550, 1705, 2200, 2500, 2728, 2750, 3100, 3410, 3875, 5000, 5500, 6200, 6820, 6875, 7750, 8525, 11000, 13640, 13750, 15500, 17050, 19375, 27500, 31000, 34100, 38750, 42625, 55000, 68200, 77500, 85250, 155000, 170500, 213125, 341000, 426250, 852500, 1705000]

約数ペア:

[(1, 1705000), (2, 852500), (4, 426250), (5, 341000), (8, 213125), (10, 170500), (11, 155000), (20, 85250), (22, 77500), (25, 68200), (31, 55000), (40, 42625), (44, 38750), (50, 34100), (55, 31000), (62, 27500), (88, 19375), (100, 17050), (110, 15500), (124, 13750), (125, 13640), (155, 11000), (200, 8525), (220, 7750), (248, 6875), (250, 6820), (275, 6200), (310, 5500), (341, 5000), (440, 3875), (500, 3410), (550, 3100), (620, 2750), (625, 2728), (682, 2500), (775, 2200), (1000, 1705), (1100, 1550), (1240, 1375), (1250, 1364)]