1005620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 2636928

約数和(自身を除く): 1631308

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, 653, 770, 1306, 1540, 2612, 3265, 4571, 6530, 7183, 9142, 13060, 14366, 18284, 22855, 28732, 35915, 45710, 50281, 71830, 91420, 100562, 143660, 201124, 251405, 502810, 1005620]

約数ペア:

[(1, 1005620), (2, 502810), (4, 251405), (5, 201124), (7, 143660), (10, 100562), (11, 91420), (14, 71830), (20, 50281), (22, 45710), (28, 35915), (35, 28732), (44, 22855), (55, 18284), (70, 14366), (77, 13060), (110, 9142), (140, 7183), (154, 6530), (220, 4571), (308, 3265), (385, 2612), (653, 1540), (770, 1306)]