210245840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 160

約数和(自身を含む): 585795840

約数和(自身を除く): 375550000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 73, 74, 80, 112, 139, 140, 146, 148, 185, 259, 278, 280, 292, 296, 365, 370, 511, 518, 556, 560, 584, 592, 695, 730, 740, 973, 1022, 1036, 1112, 1168, 1295, 1390, 1460, 1480, 1946, 2044, 2072, 2224, 2555, 2590, 2701, 2780, 2920, 2960, 3892, 4088, 4144, 4865, 5110, 5143, 5180, 5402, 5560, 5840, 7784, 8176, 9730, 10147, 10220, 10286, 10360, 10804, 11120, 13505, 15568, 18907, 19460, 20294, 20440, 20572, 20720, 21608, 25715, 27010, 36001, 37814, 38920, 40588, 40880, 41144, 43216, 50735, 51430, 54020, 71029, 72002, 75628, 77840, 81176, 82288, 94535, 101470, 102860, 108040, 142058, 144004, 151256, 162352, 180005, 189070, 202940, 205720, 216080, 284116, 288008, 302512, 355145, 360010, 375439, 378140, 405880, 411440, 568232, 576016, 710290, 720020, 750878, 756280, 811760, 1136464, 1420580, 1440040, 1501756, 1512560, 1877195, 2628073, 2841160, 2880080, 3003512, 3754390, 5256146, 5682320, 6007024, 7508780, 10512292, 13140365, 15017560, 21024584, 26280730, 30035120, 42049168, 52561460, 105122920, 210245840]

約数ペア:

[(1, 210245840), (2, 105122920), (4, 52561460), (5, 42049168), (7, 30035120), (8, 26280730), (10, 21024584), (14, 15017560), (16, 13140365), (20, 10512292), (28, 7508780), (35, 6007024), (37, 5682320), (40, 5256146), (56, 3754390), (70, 3003512), (73, 2880080), (74, 2841160), (80, 2628073), (112, 1877195), (139, 1512560), (140, 1501756), (146, 1440040), (148, 1420580), (185, 1136464), (259, 811760), (278, 756280), (280, 750878), (292, 720020), (296, 710290), (365, 576016), (370, 568232), (511, 411440), (518, 405880), (556, 378140), (560, 375439), (584, 360010), (592, 355145), (695, 302512), (730, 288008), (740, 284116), (973, 216080), (1022, 205720), (1036, 202940), (1112, 189070), (1168, 180005), (1295, 162352), (1390, 151256), (1460, 144004), (1480, 142058), (1946, 108040), (2044, 102860), (2072, 101470), (2224, 94535), (2555, 82288), (2590, 81176), (2701, 77840), (2780, 75628), (2920, 72002), (2960, 71029), (3892, 54020), (4088, 51430), (4144, 50735), (4865, 43216), (5110, 41144), (5143, 40880), (5180, 40588), (5402, 38920), (5560, 37814), (5840, 36001), (7784, 27010), (8176, 25715), (9730, 21608), (10147, 20720), (10220, 20572), (10286, 20440), (10360, 20294), (10804, 19460), (11120, 18907), (13505, 15568)]