281385440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1937

約数の個数: 144

約数和(自身を含む): 814438800

約数和(自身を除く): 533053360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1862, 1889, 1960, 2128, 2660, 3040, 3724, 3778, 3920, 4256, 4655, 5320, 7448, 7556, 7840, 9310, 9445, 10640, 13223, 14896, 15112, 18620, 18890, 21280, 26446, 29792, 30224, 35891, 37240, 37780, 52892, 60448, 66115, 71782, 74480, 75560, 92561, 105784, 132230, 143564, 148960, 151120, 179455, 185122, 211568, 251237, 264460, 287128, 302240, 358910, 370244, 423136, 462805, 502474, 528920, 574256, 717820, 740488, 925610, 1004948, 1057840, 1148512, 1256185, 1435640, 1480976, 1758659, 1851220, 2009896, 2115680, 2512370, 2871280, 2961952, 3517318, 3702440, 4019792, 5024740, 5742560, 7034636, 7404880, 8039584, 8793295, 10049480, 14069272, 14809760, 17586590, 20098960, 28138544, 35173180, 40197920, 56277088, 70346360, 140692720, 281385440]

約数ペア:

[(1, 281385440), (2, 140692720), (4, 70346360), (5, 56277088), (7, 40197920), (8, 35173180), (10, 28138544), (14, 20098960), (16, 17586590), (19, 14809760), (20, 14069272), (28, 10049480), (32, 8793295), (35, 8039584), (38, 7404880), (40, 7034636), (49, 5742560), (56, 5024740), (70, 4019792), (76, 3702440), (80, 3517318), (95, 2961952), (98, 2871280), (112, 2512370), (133, 2115680), (140, 2009896), (152, 1851220), (160, 1758659), (190, 1480976), (196, 1435640), (224, 1256185), (245, 1148512), (266, 1057840), (280, 1004948), (304, 925610), (380, 740488), (392, 717820), (490, 574256), (532, 528920), (560, 502474), (608, 462805), (665, 423136), (760, 370244), (784, 358910), (931, 302240), (980, 287128), (1064, 264460), (1120, 251237), (1330, 211568), (1520, 185122), (1568, 179455), (1862, 151120), (1889, 148960), (1960, 143564), (2128, 132230), (2660, 105784), (3040, 92561), (3724, 75560), (3778, 74480), (3920, 71782), (4256, 66115), (4655, 60448), (5320, 52892), (7448, 37780), (7556, 37240), (7840, 35891), (9310, 30224), (9445, 29792), (10640, 26446), (13223, 21280), (14896, 18890), (15112, 18620)]