2029580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 5266800

約数和(自身を除く): 3237220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 109, 133, 140, 190, 196, 218, 245, 266, 380, 436, 490, 532, 545, 665, 763, 931, 980, 1090, 1330, 1526, 1862, 2071, 2180, 2660, 3052, 3724, 3815, 4142, 4655, 5341, 7630, 8284, 9310, 10355, 10682, 14497, 15260, 18620, 20710, 21364, 26705, 28994, 41420, 53410, 57988, 72485, 101479, 106820, 144970, 202958, 289940, 405916, 507395, 1014790, 2029580]

約数ペア:

[(1, 2029580), (2, 1014790), (4, 507395), (5, 405916), (7, 289940), (10, 202958), (14, 144970), (19, 106820), (20, 101479), (28, 72485), (35, 57988), (38, 53410), (49, 41420), (70, 28994), (76, 26705), (95, 21364), (98, 20710), (109, 18620), (133, 15260), (140, 14497), (190, 10682), (196, 10355), (218, 9310), (245, 8284), (266, 7630), (380, 5341), (436, 4655), (490, 4142), (532, 3815), (545, 3724), (665, 3052), (763, 2660), (931, 2180), (980, 2071), (1090, 1862), (1330, 1526)]