217338880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 176

約数和(自身を含む): 604863936

約数和(自身を除く): 387525056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 227, 256, 272, 320, 340, 352, 374, 440, 454, 512, 544, 640, 680, 704, 748, 880, 908, 935, 1024, 1088, 1135, 1280, 1360, 1408, 1496, 1760, 1816, 1870, 2176, 2270, 2497, 2560, 2720, 2816, 2992, 3520, 3632, 3740, 3859, 4352, 4540, 4994, 5120, 5440, 5632, 5984, 7040, 7264, 7480, 7718, 8704, 9080, 9988, 10880, 11264, 11968, 12485, 14080, 14528, 14960, 15436, 17408, 18160, 19295, 19976, 21760, 23936, 24970, 28160, 29056, 29920, 30872, 36320, 38590, 39952, 42449, 43520, 47872, 49940, 56320, 58112, 59840, 61744, 72640, 77180, 79904, 84898, 87040, 95744, 99880, 116224, 119680, 123488, 145280, 154360, 159808, 169796, 191488, 199760, 212245, 232448, 239360, 246976, 290560, 308720, 319616, 339592, 399520, 424490, 478720, 493952, 581120, 617440, 639232, 679184, 799040, 848980, 957440, 987904, 1162240, 1234880, 1278464, 1358368, 1598080, 1697960, 1975808, 2469760, 2556928, 2716736, 3196160, 3395920, 3951616, 4939520, 5433472, 6392320, 6791840, 9879040, 10866944, 12784640, 13583680, 19758080, 21733888, 27167360, 43467776, 54334720, 108669440, 217338880]

約数ペア:

[(1, 217338880), (2, 108669440), (4, 54334720), (5, 43467776), (8, 27167360), (10, 21733888), (11, 19758080), (16, 13583680), (17, 12784640), (20, 10866944), (22, 9879040), (32, 6791840), (34, 6392320), (40, 5433472), (44, 4939520), (55, 3951616), (64, 3395920), (68, 3196160), (80, 2716736), (85, 2556928), (88, 2469760), (110, 1975808), (128, 1697960), (136, 1598080), (160, 1358368), (170, 1278464), (176, 1234880), (187, 1162240), (220, 987904), (227, 957440), (256, 848980), (272, 799040), (320, 679184), (340, 639232), (352, 617440), (374, 581120), (440, 493952), (454, 478720), (512, 424490), (544, 399520), (640, 339592), (680, 319616), (704, 308720), (748, 290560), (880, 246976), (908, 239360), (935, 232448), (1024, 212245), (1088, 199760), (1135, 191488), (1280, 169796), (1360, 159808), (1408, 154360), (1496, 145280), (1760, 123488), (1816, 119680), (1870, 116224), (2176, 99880), (2270, 95744), (2497, 87040), (2560, 84898), (2720, 79904), (2816, 77180), (2992, 72640), (3520, 61744), (3632, 59840), (3740, 58112), (3859, 56320), (4352, 49940), (4540, 47872), (4994, 43520), (5120, 42449), (5440, 39952), (5632, 38590), (5984, 36320), (7040, 30872), (7264, 29920), (7480, 29056), (7718, 28160), (8704, 24970), (9080, 23936), (9988, 21760), (10880, 19976), (11264, 19295), (11968, 18160), (12485, 17408), (14080, 15436), (14528, 14960)]