199873520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:559

約数の個数: 160

約数和(自身を含む): 588819456

約数和(自身を除く): 388945936

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 154, 176, 220, 280, 284, 308, 355, 385, 440, 457, 497, 560, 568, 616, 710, 770, 781, 880, 914, 994, 1136, 1232, 1420, 1540, 1562, 1828, 1988, 2285, 2485, 2840, 3080, 3124, 3199, 3656, 3905, 3976, 4570, 4970, 5027, 5467, 5680, 6160, 6248, 6398, 7312, 7810, 7952, 9140, 9940, 10054, 10934, 12496, 12796, 15620, 15995, 18280, 19880, 20108, 21868, 25135, 25592, 27335, 31240, 31990, 32447, 35189, 36560, 39760, 40216, 43736, 50270, 51184, 54670, 62480, 63980, 64894, 70378, 80432, 87472, 100540, 109340, 127960, 129788, 140756, 162235, 175945, 201080, 218680, 227129, 255920, 259576, 281512, 324470, 351890, 356917, 402160, 437360, 454258, 519152, 563024, 648940, 703780, 713834, 908516, 1135645, 1297880, 1407560, 1427668, 1784585, 1817032, 2271290, 2498419, 2595760, 2815120, 2855336, 3569170, 3634064, 4542580, 4996838, 5710672, 7138340, 9085160, 9993676, 12492095, 14276680, 18170320, 19987352, 24984190, 28553360, 39974704, 49968380, 99936760, 199873520]

約数ペア:

[(1, 199873520), (2, 99936760), (4, 49968380), (5, 39974704), (7, 28553360), (8, 24984190), (10, 19987352), (11, 18170320), (14, 14276680), (16, 12492095), (20, 9993676), (22, 9085160), (28, 7138340), (35, 5710672), (40, 4996838), (44, 4542580), (55, 3634064), (56, 3569170), (70, 2855336), (71, 2815120), (77, 2595760), (80, 2498419), (88, 2271290), (110, 1817032), (112, 1784585), (140, 1427668), (142, 1407560), (154, 1297880), (176, 1135645), (220, 908516), (280, 713834), (284, 703780), (308, 648940), (355, 563024), (385, 519152), (440, 454258), (457, 437360), (497, 402160), (560, 356917), (568, 351890), (616, 324470), (710, 281512), (770, 259576), (781, 255920), (880, 227129), (914, 218680), (994, 201080), (1136, 175945), (1232, 162235), (1420, 140756), (1540, 129788), (1562, 127960), (1828, 109340), (1988, 100540), (2285, 87472), (2485, 80432), (2840, 70378), (3080, 64894), (3124, 63980), (3199, 62480), (3656, 54670), (3905, 51184), (3976, 50270), (4570, 43736), (4970, 40216), (5027, 39760), (5467, 36560), (5680, 35189), (6160, 32447), (6248, 31990), (6398, 31240), (7312, 27335), (7810, 25592), (7952, 25135), (9140, 21868), (9940, 20108), (10054, 19880), (10934, 18280), (12496, 15995), (12796, 15620)]