51721800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 192

約数和(自身を含む): 182280000

約数和(自身を除く): 130558200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 25, 26, 30, 38, 39, 40, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 104, 114, 120, 130, 150, 152, 156, 190, 195, 200, 228, 247, 260, 285, 300, 312, 325, 349, 380, 390, 456, 475, 494, 520, 570, 600, 650, 698, 741, 760, 780, 950, 975, 988, 1047, 1140, 1235, 1300, 1396, 1425, 1482, 1560, 1745, 1900, 1950, 1976, 2094, 2280, 2470, 2600, 2792, 2850, 2964, 3490, 3705, 3800, 3900, 4188, 4537, 4940, 5235, 5700, 5928, 6175, 6631, 6980, 7410, 7800, 8376, 8725, 9074, 9880, 10470, 11400, 12350, 13262, 13611, 13960, 14820, 17450, 18148, 18525, 19893, 20940, 22685, 24700, 26175, 26524, 27222, 29640, 33155, 34900, 36296, 37050, 39786, 41880, 45370, 49400, 52350, 53048, 54444, 66310, 68055, 69800, 74100, 79572, 86203, 90740, 99465, 104700, 108888, 113425, 132620, 136110, 148200, 159144, 165775, 172406, 181480, 198930, 209400, 226850, 258609, 265240, 272220, 331550, 340275, 344812, 397860, 431015, 453700, 497325, 517218, 544440, 663100, 680550, 689624, 795720, 862030, 907400, 994650, 1034436, 1293045, 1326200, 1361100, 1724060, 1989300, 2068872, 2155075, 2586090, 2722200, 3448120, 3978600, 4310150, 5172180, 6465225, 8620300, 10344360, 12930450, 17240600, 25860900, 51721800]

約数ペア:

[(1, 51721800), (2, 25860900), (3, 17240600), (4, 12930450), (5, 10344360), (6, 8620300), (8, 6465225), (10, 5172180), (12, 4310150), (13, 3978600), (15, 3448120), (19, 2722200), (20, 2586090), (24, 2155075), (25, 2068872), (26, 1989300), (30, 1724060), (38, 1361100), (39, 1326200), (40, 1293045), (50, 1034436), (52, 994650), (57, 907400), (60, 862030), (65, 795720), (75, 689624), (76, 680550), (78, 663100), (95, 544440), (100, 517218), (104, 497325), (114, 453700), (120, 431015), (130, 397860), (150, 344812), (152, 340275), (156, 331550), (190, 272220), (195, 265240), (200, 258609), (228, 226850), (247, 209400), (260, 198930), (285, 181480), (300, 172406), (312, 165775), (325, 159144), (349, 148200), (380, 136110), (390, 132620), (456, 113425), (475, 108888), (494, 104700), (520, 99465), (570, 90740), (600, 86203), (650, 79572), (698, 74100), (741, 69800), (760, 68055), (780, 66310), (950, 54444), (975, 53048), (988, 52350), (1047, 49400), (1140, 45370), (1235, 41880), (1300, 39786), (1396, 37050), (1425, 36296), (1482, 34900), (1560, 33155), (1745, 29640), (1900, 27222), (1950, 26524), (1976, 26175), (2094, 24700), (2280, 22685), (2470, 20940), (2600, 19893), (2792, 18525), (2850, 18148), (2964, 17450), (3490, 14820), (3705, 13960), (3800, 13611), (3900, 13262), (4188, 12350), (4537, 11400), (4940, 10470), (5235, 9880), (5700, 9074), (5928, 8725), (6175, 8376), (6631, 7800), (6980, 7410)]