251145040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1460

約数の個数: 80

約数和(自身を含む): 619960320

約数和(自身を除く): 368815280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 760, 1016, 1270, 1301, 1520, 2032, 2413, 2540, 2602, 4826, 5080, 5204, 6505, 9652, 10160, 10408, 12065, 13010, 19304, 20816, 24130, 24719, 26020, 38608, 48260, 49438, 52040, 96520, 98876, 104080, 123595, 165227, 193040, 197752, 247190, 330454, 395504, 494380, 660908, 826135, 988760, 1321816, 1652270, 1977520, 2643632, 3139313, 3304540, 6278626, 6609080, 12557252, 13218160, 15696565, 25114504, 31393130, 50229008, 62786260, 125572520, 251145040]

約数ペア:

[(1, 251145040), (2, 125572520), (4, 62786260), (5, 50229008), (8, 31393130), (10, 25114504), (16, 15696565), (19, 13218160), (20, 12557252), (38, 6609080), (40, 6278626), (76, 3304540), (80, 3139313), (95, 2643632), (127, 1977520), (152, 1652270), (190, 1321816), (254, 988760), (304, 826135), (380, 660908), (508, 494380), (635, 395504), (760, 330454), (1016, 247190), (1270, 197752), (1301, 193040), (1520, 165227), (2032, 123595), (2413, 104080), (2540, 98876), (2602, 96520), (4826, 52040), (5080, 49438), (5204, 48260), (6505, 38608), (9652, 26020), (10160, 24719), (10408, 24130), (12065, 20816), (13010, 19304)]