6820000

素因数分解:

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

素因数の和:72

約数の個数: 120

約数和(自身を含む): 18893952

約数和(自身を除く): 12073952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 125, 155, 160, 176, 200, 220, 248, 250, 275, 310, 341, 352, 400, 440, 496, 500, 550, 620, 625, 682, 775, 800, 880, 992, 1000, 1100, 1240, 1250, 1364, 1375, 1550, 1705, 1760, 2000, 2200, 2480, 2500, 2728, 2750, 3100, 3410, 3875, 4000, 4400, 4960, 5000, 5456, 5500, 6200, 6820, 6875, 7750, 8525, 8800, 10000, 10912, 11000, 12400, 13640, 13750, 15500, 17050, 19375, 20000, 22000, 24800, 27280, 27500, 31000, 34100, 38750, 42625, 44000, 54560, 55000, 62000, 68200, 77500, 85250, 110000, 124000, 136400, 155000, 170500, 213125, 220000, 272800, 310000, 341000, 426250, 620000, 682000, 852500, 1364000, 1705000, 3410000, 6820000]

約数ペア:

[(1, 6820000), (2, 3410000), (4, 1705000), (5, 1364000), (8, 852500), (10, 682000), (11, 620000), (16, 426250), (20, 341000), (22, 310000), (25, 272800), (31, 220000), (32, 213125), (40, 170500), (44, 155000), (50, 136400), (55, 124000), (62, 110000), (80, 85250), (88, 77500), (100, 68200), (110, 62000), (124, 55000), (125, 54560), (155, 44000), (160, 42625), (176, 38750), (200, 34100), (220, 31000), (248, 27500), (250, 27280), (275, 24800), (310, 22000), (341, 20000), (352, 19375), (400, 17050), (440, 15500), (496, 13750), (500, 13640), (550, 12400), (620, 11000), (625, 10912), (682, 10000), (775, 8800), (800, 8525), (880, 7750), (992, 6875), (1000, 6820), (1100, 6200), (1240, 5500), (1250, 5456), (1364, 5000), (1375, 4960), (1550, 4400), (1705, 4000), (1760, 3875), (2000, 3410), (2200, 3100), (2480, 2750), (2500, 2728)]