215578000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 160

約数和(自身を含む): 584962560

約数和(自身を除く): 369384560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 125, 164, 176, 200, 205, 220, 239, 250, 275, 328, 400, 410, 440, 451, 478, 500, 550, 656, 820, 880, 902, 956, 1000, 1025, 1100, 1195, 1375, 1640, 1804, 1912, 2000, 2050, 2200, 2255, 2390, 2629, 2750, 3280, 3608, 3824, 4100, 4400, 4510, 4780, 5125, 5258, 5500, 5975, 7216, 8200, 9020, 9560, 9799, 10250, 10516, 11000, 11275, 11950, 13145, 16400, 18040, 19120, 19598, 20500, 21032, 22000, 22550, 23900, 26290, 29875, 36080, 39196, 41000, 42064, 45100, 47800, 48995, 52580, 56375, 59750, 65725, 78392, 82000, 90200, 95600, 97990, 105160, 107789, 112750, 119500, 131450, 156784, 180400, 195980, 210320, 215578, 225500, 239000, 244975, 262900, 328625, 391960, 431156, 451000, 478000, 489950, 525800, 538945, 657250, 783920, 862312, 902000, 979900, 1051600, 1077890, 1224875, 1314500, 1724624, 1959800, 2155780, 2449750, 2629000, 2694725, 3919600, 4311560, 4899500, 5258000, 5389450, 8623120, 9799000, 10778900, 13473625, 19598000, 21557800, 26947250, 43115600, 53894500, 107789000, 215578000]

約数ペア:

[(1, 215578000), (2, 107789000), (4, 53894500), (5, 43115600), (8, 26947250), (10, 21557800), (11, 19598000), (16, 13473625), (20, 10778900), (22, 9799000), (25, 8623120), (40, 5389450), (41, 5258000), (44, 4899500), (50, 4311560), (55, 3919600), (80, 2694725), (82, 2629000), (88, 2449750), (100, 2155780), (110, 1959800), (125, 1724624), (164, 1314500), (176, 1224875), (200, 1077890), (205, 1051600), (220, 979900), (239, 902000), (250, 862312), (275, 783920), (328, 657250), (400, 538945), (410, 525800), (440, 489950), (451, 478000), (478, 451000), (500, 431156), (550, 391960), (656, 328625), (820, 262900), (880, 244975), (902, 239000), (956, 225500), (1000, 215578), (1025, 210320), (1100, 195980), (1195, 180400), (1375, 156784), (1640, 131450), (1804, 119500), (1912, 112750), (2000, 107789), (2050, 105160), (2200, 97990), (2255, 95600), (2390, 90200), (2629, 82000), (2750, 78392), (3280, 65725), (3608, 59750), (3824, 56375), (4100, 52580), (4400, 48995), (4510, 47800), (4780, 45100), (5125, 42064), (5258, 41000), (5500, 39196), (5975, 36080), (7216, 29875), (8200, 26290), (9020, 23900), (9560, 22550), (9799, 22000), (10250, 21032), (10516, 20500), (11000, 19598), (11275, 19120), (11950, 18040), (13145, 16400)]