205189040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{366409}}^1$

素因数の和:366429

約数の個数: 40

約数和(自身を含む): 545218080

約数和(自身を除く): 340029040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 366409, 732818, 1465636, 1832045, 2564863, 2931272, 3664090, 5129726, 5862544, 7328180, 10259452, 12824315, 14656360, 20518904, 25648630, 29312720, 41037808, 51297260, 102594520, 205189040]

約数ペア:

[(1, 205189040), (2, 102594520), (4, 51297260), (5, 41037808), (7, 29312720), (8, 25648630), (10, 20518904), (14, 14656360), (16, 12824315), (20, 10259452), (28, 7328180), (35, 5862544), (40, 5129726), (56, 3664090), (70, 2931272), (80, 2564863), (112, 1832045), (140, 1465636), (280, 732818), (560, 366409)]