209839840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 611380224

約数和(自身を除く): 401540384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 103, 107, 112, 119, 136, 140, 160, 170, 206, 214, 224, 238, 272, 280, 340, 412, 428, 476, 515, 535, 544, 560, 595, 680, 721, 749, 824, 856, 952, 1030, 1070, 1120, 1190, 1360, 1442, 1498, 1648, 1712, 1751, 1819, 1904, 2060, 2140, 2380, 2720, 2884, 2996, 3296, 3424, 3502, 3605, 3638, 3745, 3808, 4120, 4280, 4760, 5768, 5992, 7004, 7210, 7276, 7490, 8240, 8560, 8755, 9095, 9520, 11021, 11536, 11984, 12257, 12733, 14008, 14420, 14552, 14980, 16480, 17120, 17510, 18190, 19040, 22042, 23072, 23968, 24514, 25466, 28016, 28840, 29104, 29960, 35020, 36380, 44084, 49028, 50932, 55105, 56032, 57680, 58208, 59920, 61285, 63665, 70040, 72760, 77147, 88168, 98056, 101864, 110210, 115360, 119840, 122570, 127330, 140080, 145520, 154294, 176336, 187357, 196112, 203728, 220420, 245140, 254660, 280160, 291040, 308588, 352672, 374714, 385735, 392224, 407456, 440840, 490280, 509320, 617176, 749428, 771470, 881680, 936785, 980560, 1018640, 1234352, 1311499, 1498856, 1542940, 1763360, 1873570, 1961120, 2037280, 2468704, 2622998, 2997712, 3085880, 3747140, 5245996, 5995424, 6171760, 6557495, 7494280, 10491992, 12343520, 13114990, 14988560, 20983984, 26229980, 29977120, 41967968, 52459960, 104919920, 209839840]

約数ペア:

[(1, 209839840), (2, 104919920), (4, 52459960), (5, 41967968), (7, 29977120), (8, 26229980), (10, 20983984), (14, 14988560), (16, 13114990), (17, 12343520), (20, 10491992), (28, 7494280), (32, 6557495), (34, 6171760), (35, 5995424), (40, 5245996), (56, 3747140), (68, 3085880), (70, 2997712), (80, 2622998), (85, 2468704), (103, 2037280), (107, 1961120), (112, 1873570), (119, 1763360), (136, 1542940), (140, 1498856), (160, 1311499), (170, 1234352), (206, 1018640), (214, 980560), (224, 936785), (238, 881680), (272, 771470), (280, 749428), (340, 617176), (412, 509320), (428, 490280), (476, 440840), (515, 407456), (535, 392224), (544, 385735), (560, 374714), (595, 352672), (680, 308588), (721, 291040), (749, 280160), (824, 254660), (856, 245140), (952, 220420), (1030, 203728), (1070, 196112), (1120, 187357), (1190, 176336), (1360, 154294), (1442, 145520), (1498, 140080), (1648, 127330), (1712, 122570), (1751, 119840), (1819, 115360), (1904, 110210), (2060, 101864), (2140, 98056), (2380, 88168), (2720, 77147), (2884, 72760), (2996, 70040), (3296, 63665), (3424, 61285), (3502, 59920), (3605, 58208), (3638, 57680), (3745, 56032), (3808, 55105), (4120, 50932), (4280, 49028), (4760, 44084), (5768, 36380), (5992, 35020), (7004, 29960), (7210, 29104), (7276, 28840), (7490, 28016), (8240, 25466), (8560, 24514), (8755, 23968), (9095, 23072), (9520, 22042), (11021, 19040), (11536, 18190), (11984, 17510), (12257, 17120), (12733, 16480), (14008, 14980), (14420, 14552)]