166426540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{169823}}^1$

素因数の和:169846

約数の個数: 36

約数和(自身を含む): 406558656

約数和(自身を除く): 240132116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 169823, 339646, 679292, 849115, 1188761, 1698230, 2377522, 3396460, 4755044, 5943805, 8321327, 11887610, 16642654, 23775220, 33285308, 41606635, 83213270, 166426540]

約数ペア:

[(1, 166426540), (2, 83213270), (4, 41606635), (5, 33285308), (7, 23775220), (10, 16642654), (14, 11887610), (20, 8321327), (28, 5943805), (35, 4755044), (49, 3396460), (70, 2377522), (98, 1698230), (140, 1188761), (196, 849115), (245, 679292), (490, 339646), (980, 169823)]