428670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 1218672

約数和(自身を除く): 790002

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 433, 495, 866, 990, 1299, 2165, 2598, 3897, 4330, 4763, 6495, 7794, 9526, 12990, 14289, 19485, 23815, 28578, 38970, 42867, 47630, 71445, 85734, 142890, 214335, 428670]

約数ペア:

[(1, 428670), (2, 214335), (3, 142890), (5, 85734), (6, 71445), (9, 47630), (10, 42867), (11, 38970), (15, 28578), (18, 23815), (22, 19485), (30, 14289), (33, 12990), (45, 9526), (55, 7794), (66, 6495), (90, 4763), (99, 4330), (110, 3897), (165, 2598), (198, 2165), (330, 1299), (433, 990), (495, 866)]