216443920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:929

約数の個数: 160

約数和(自身を含む): 643458816

約数和(自身を除く): 427014896

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 80, 82, 88, 110, 112, 140, 154, 164, 176, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 560, 574, 616, 656, 770, 820, 857, 880, 902, 1148, 1232, 1435, 1540, 1640, 1714, 1804, 2255, 2296, 2870, 3080, 3157, 3280, 3428, 3608, 4285, 4510, 4592, 5740, 5999, 6160, 6314, 6856, 7216, 8570, 9020, 9427, 11480, 11998, 12628, 13712, 15785, 17140, 18040, 18854, 22960, 23996, 25256, 29995, 31570, 34280, 35137, 36080, 37708, 47135, 47992, 50512, 59990, 63140, 65989, 68560, 70274, 75416, 94270, 95984, 119980, 126280, 131978, 140548, 150832, 175685, 188540, 239960, 245959, 252560, 263956, 281096, 329945, 351370, 377080, 386507, 479920, 491918, 527912, 562192, 659890, 702740, 754160, 773014, 983836, 1055824, 1229795, 1319780, 1405480, 1546028, 1932535, 1967672, 2459590, 2639560, 2705549, 2810960, 3092056, 3865070, 3935344, 4919180, 5279120, 5411098, 6184112, 7730140, 9838360, 10822196, 13527745, 15460280, 19676720, 21644392, 27055490, 30920560, 43288784, 54110980, 108221960, 216443920]

約数ペア:

[(1, 216443920), (2, 108221960), (4, 54110980), (5, 43288784), (7, 30920560), (8, 27055490), (10, 21644392), (11, 19676720), (14, 15460280), (16, 13527745), (20, 10822196), (22, 9838360), (28, 7730140), (35, 6184112), (40, 5411098), (41, 5279120), (44, 4919180), (55, 3935344), (56, 3865070), (70, 3092056), (77, 2810960), (80, 2705549), (82, 2639560), (88, 2459590), (110, 1967672), (112, 1932535), (140, 1546028), (154, 1405480), (164, 1319780), (176, 1229795), (205, 1055824), (220, 983836), (280, 773014), (287, 754160), (308, 702740), (328, 659890), (385, 562192), (410, 527912), (440, 491918), (451, 479920), (560, 386507), (574, 377080), (616, 351370), (656, 329945), (770, 281096), (820, 263956), (857, 252560), (880, 245959), (902, 239960), (1148, 188540), (1232, 175685), (1435, 150832), (1540, 140548), (1640, 131978), (1714, 126280), (1804, 119980), (2255, 95984), (2296, 94270), (2870, 75416), (3080, 70274), (3157, 68560), (3280, 65989), (3428, 63140), (3608, 59990), (4285, 50512), (4510, 47992), (4592, 47135), (5740, 37708), (5999, 36080), (6160, 35137), (6314, 34280), (6856, 31570), (7216, 29995), (8570, 25256), (9020, 23996), (9427, 22960), (11480, 18854), (11998, 18040), (12628, 17140), (13712, 15785)]