289969540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{4253}}^1$

素因数の和:4756

約数の個数: 48

約数和(自身を含む): 697519872

約数和(自身を除く): 407550332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1948, 2435, 3409, 4253, 4870, 6818, 8506, 9740, 13636, 17012, 17045, 21265, 29771, 34090, 42530, 59542, 68180, 85060, 119084, 148855, 297710, 595420, 2071211, 4142422, 8284844, 10356055, 14498477, 20712110, 28996954, 41424220, 57993908, 72492385, 144984770, 289969540]

約数ペア:

[(1, 289969540), (2, 144984770), (4, 72492385), (5, 57993908), (7, 41424220), (10, 28996954), (14, 20712110), (20, 14498477), (28, 10356055), (35, 8284844), (70, 4142422), (140, 2071211), (487, 595420), (974, 297710), (1948, 148855), (2435, 119084), (3409, 85060), (4253, 68180), (4870, 59542), (6818, 42530), (8506, 34090), (9740, 29771), (13636, 21265), (17012, 17045)]