890753360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{227233}}^1$

素因数の和:227260

約数の個数: 60

約数和(自身を含む): 2409134868

約数和(自身を除く): 1518381508

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 227233, 454466, 908932, 1136165, 1590631, 1817864, 2272330, 3181262, 3635728, 4544660, 6362524, 7953155, 9089320, 11134417, 12725048, 15906310, 18178640, 22268834, 25450096, 31812620, 44537668, 55672085, 63625240, 89075336, 111344170, 127250480, 178150672, 222688340, 445376680, 890753360]

約数ペア:

[(1, 890753360), (2, 445376680), (4, 222688340), (5, 178150672), (7, 127250480), (8, 111344170), (10, 89075336), (14, 63625240), (16, 55672085), (20, 44537668), (28, 31812620), (35, 25450096), (40, 22268834), (49, 18178640), (56, 15906310), (70, 12725048), (80, 11134417), (98, 9089320), (112, 7953155), (140, 6362524), (196, 4544660), (245, 3635728), (280, 3181262), (392, 2272330), (490, 1817864), (560, 1590631), (784, 1136165), (980, 908932), (1960, 454466), (3920, 227233)]