211981840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3225

約数の個数: 120

約数和(自身を含む): 607240152

約数和(自身を除く): 395258312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 2380, 3181, 3332, 3920, 4165, 4760, 6362, 6664, 8330, 9520, 12724, 13328, 15905, 16660, 22267, 25448, 31810, 33320, 44534, 50896, 54077, 63620, 66640, 89068, 108154, 111335, 127240, 155869, 178136, 216308, 222670, 254480, 270385, 311738, 356272, 378539, 432616, 445340, 540770, 623476, 757078, 779345, 865232, 890680, 1081540, 1246952, 1514156, 1558690, 1781360, 1892695, 2163080, 2493904, 2649773, 3028312, 3117380, 3785390, 4326160, 5299546, 6056624, 6234760, 7570780, 10599092, 12469520, 13248865, 15141560, 21198184, 26497730, 30283120, 42396368, 52995460, 105990920, 211981840]

約数ペア:

[(1, 211981840), (2, 105990920), (4, 52995460), (5, 42396368), (7, 30283120), (8, 26497730), (10, 21198184), (14, 15141560), (16, 13248865), (17, 12469520), (20, 10599092), (28, 7570780), (34, 6234760), (35, 6056624), (40, 5299546), (49, 4326160), (56, 3785390), (68, 3117380), (70, 3028312), (80, 2649773), (85, 2493904), (98, 2163080), (112, 1892695), (119, 1781360), (136, 1558690), (140, 1514156), (170, 1246952), (196, 1081540), (238, 890680), (245, 865232), (272, 779345), (280, 757078), (340, 623476), (392, 540770), (476, 445340), (490, 432616), (560, 378539), (595, 356272), (680, 311738), (784, 270385), (833, 254480), (952, 222670), (980, 216308), (1190, 178136), (1360, 155869), (1666, 127240), (1904, 111335), (1960, 108154), (2380, 89068), (3181, 66640), (3332, 63620), (3920, 54077), (4165, 50896), (4760, 44534), (6362, 33320), (6664, 31810), (8330, 25448), (9520, 22267), (12724, 16660), (13328, 15905)]