2019295480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1\times {\mathrm{1699}}^1$

素因数の和:2444

約数の個数: 64

約数和(自身を含む): 4658544000

約数和(自身を除く): 2639248520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 691, 860, 1382, 1699, 1720, 2764, 3398, 3455, 5528, 6796, 6910, 8495, 13592, 13820, 16990, 27640, 29713, 33980, 59426, 67960, 73057, 118852, 146114, 148565, 237704, 292228, 297130, 365285, 584456, 594260, 730570, 1174009, 1188520, 1461140, 2348018, 2922280, 4696036, 5870045, 9392072, 11740090, 23480180, 46960360, 50482387, 100964774, 201929548, 252411935, 403859096, 504823870, 1009647740, 2019295480]

約数ペア:

[(1, 2019295480), (2, 1009647740), (4, 504823870), (5, 403859096), (8, 252411935), (10, 201929548), (20, 100964774), (40, 50482387), (43, 46960360), (86, 23480180), (172, 11740090), (215, 9392072), (344, 5870045), (430, 4696036), (691, 2922280), (860, 2348018), (1382, 1461140), (1699, 1188520), (1720, 1174009), (2764, 730570), (3398, 594260), (3455, 584456), (5528, 365285), (6796, 297130), (6910, 292228), (8495, 237704), (13592, 148565), (13820, 146114), (16990, 118852), (27640, 73057), (29713, 67960), (33980, 59426)]