201554480

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7219}}^1$

素因数の和:7581

約数の個数: 40

約数和(自身を含む): 470022000

約数和(自身を除く): 268467520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 7219, 13960, 14438, 27920, 28876, 36095, 57752, 72190, 115504, 144380, 288760, 577520, 2519431, 5038862, 10077724, 12597155, 20155448, 25194310, 40310896, 50388620, 100777240, 201554480]

約数ペア:

[(1, 201554480), (2, 100777240), (4, 50388620), (5, 40310896), (8, 25194310), (10, 20155448), (16, 12597155), (20, 10077724), (40, 5038862), (80, 2519431), (349, 577520), (698, 288760), (1396, 144380), (1745, 115504), (2792, 72190), (3490, 57752), (5584, 36095), (6980, 28876), (7219, 27920), (13960, 14438)]