207919180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 532224000

約数和(自身を除く): 324304820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 199, 238, 340, 398, 439, 476, 595, 796, 878, 995, 1190, 1393, 1756, 1990, 2195, 2380, 2786, 3073, 3383, 3980, 4390, 5572, 6146, 6766, 6965, 7463, 8780, 12292, 13532, 13930, 14926, 15365, 16915, 23681, 27860, 29852, 30730, 33830, 37315, 47362, 52241, 61460, 67660, 74630, 87361, 94724, 104482, 118405, 149260, 174722, 208964, 236810, 261205, 349444, 436805, 473620, 522410, 611527, 873610, 1044820, 1223054, 1485137, 1747220, 2446108, 2970274, 3057635, 5940548, 6115270, 7425685, 10395959, 12230540, 14851370, 20791918, 29702740, 41583836, 51979795, 103959590, 207919180]

約数ペア:

[(1, 207919180), (2, 103959590), (4, 51979795), (5, 41583836), (7, 29702740), (10, 20791918), (14, 14851370), (17, 12230540), (20, 10395959), (28, 7425685), (34, 6115270), (35, 5940548), (68, 3057635), (70, 2970274), (85, 2446108), (119, 1747220), (140, 1485137), (170, 1223054), (199, 1044820), (238, 873610), (340, 611527), (398, 522410), (439, 473620), (476, 436805), (595, 349444), (796, 261205), (878, 236810), (995, 208964), (1190, 174722), (1393, 149260), (1756, 118405), (1990, 104482), (2195, 94724), (2380, 87361), (2786, 74630), (3073, 67660), (3383, 61460), (3980, 52241), (4390, 47362), (5572, 37315), (6146, 33830), (6766, 30730), (6965, 29852), (7463, 27860), (8780, 23681), (12292, 16915), (13532, 15365), (13930, 14926)]