1011445820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{656783}}^1$

素因数の和:656810

約数の個数: 48

約数和(自身を含む): 2648153088

約数和(自身を除く): 1636707268

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 656783, 1313566, 2627132, 3283915, 4597481, 6567830, 7224613, 9194962, 13135660, 14449226, 18389924, 22987405, 28898452, 36123065, 45974810, 50572291, 72246130, 91949620, 101144582, 144492260, 202289164, 252861455, 505722910, 1011445820]

約数ペア:

[(1, 1011445820), (2, 505722910), (4, 252861455), (5, 202289164), (7, 144492260), (10, 101144582), (11, 91949620), (14, 72246130), (20, 50572291), (22, 45974810), (28, 36123065), (35, 28898452), (44, 22987405), (55, 18389924), (70, 14449226), (77, 13135660), (110, 9194962), (140, 7224613), (154, 6567830), (220, 4597481), (308, 3283915), (385, 2627132), (770, 1313566), (1540, 656783)]