199725720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 635040000

約数和(自身を除く): 435314280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 251, 285, 349, 380, 456, 502, 570, 698, 753, 760, 1004, 1047, 1140, 1255, 1396, 1506, 1745, 2008, 2094, 2280, 2510, 2792, 3012, 3490, 3765, 4188, 4769, 5020, 5235, 6024, 6631, 6980, 7530, 8376, 9538, 10040, 10470, 13262, 13960, 14307, 15060, 19076, 19893, 20940, 23845, 26524, 28614, 30120, 33155, 38152, 39786, 41880, 47690, 53048, 57228, 66310, 71535, 79572, 87599, 95380, 99465, 114456, 132620, 143070, 159144, 175198, 190760, 198930, 262797, 265240, 286140, 350396, 397860, 437995, 525594, 572280, 700792, 795720, 875990, 1051188, 1313985, 1664381, 1751980, 2102376, 2627970, 3328762, 3503960, 4993143, 5255940, 6657524, 8321905, 9986286, 10511880, 13315048, 16643810, 19972572, 24965715, 33287620, 39945144, 49931430, 66575240, 99862860, 199725720]

約数ペア:

[(1, 199725720), (2, 99862860), (3, 66575240), (4, 49931430), (5, 39945144), (6, 33287620), (8, 24965715), (10, 19972572), (12, 16643810), (15, 13315048), (19, 10511880), (20, 9986286), (24, 8321905), (30, 6657524), (38, 5255940), (40, 4993143), (57, 3503960), (60, 3328762), (76, 2627970), (95, 2102376), (114, 1751980), (120, 1664381), (152, 1313985), (190, 1051188), (228, 875990), (251, 795720), (285, 700792), (349, 572280), (380, 525594), (456, 437995), (502, 397860), (570, 350396), (698, 286140), (753, 265240), (760, 262797), (1004, 198930), (1047, 190760), (1140, 175198), (1255, 159144), (1396, 143070), (1506, 132620), (1745, 114456), (2008, 99465), (2094, 95380), (2280, 87599), (2510, 79572), (2792, 71535), (3012, 66310), (3490, 57228), (3765, 53048), (4188, 47690), (4769, 41880), (5020, 39786), (5235, 38152), (6024, 33155), (6631, 30120), (6980, 28614), (7530, 26524), (8376, 23845), (9538, 20940), (10040, 19893), (10470, 19076), (13262, 15060), (13960, 14307)]