289311420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{7499}}^1$

素因数の和:8154

約数の個数: 48

約数和(自身を含む): 811440000

約数和(自身を除く): 522128580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 6430, 7499, 7716, 9645, 12860, 14998, 19290, 22497, 29996, 37495, 38580, 44994, 74990, 89988, 112485, 149980, 224970, 449940, 4821857, 9643714, 14465571, 19287428, 24109285, 28931142, 48218570, 57862284, 72327855, 96437140, 144655710, 289311420]

約数ペア:

[(1, 289311420), (2, 144655710), (3, 96437140), (4, 72327855), (5, 57862284), (6, 48218570), (10, 28931142), (12, 24109285), (15, 19287428), (20, 14465571), (30, 9643714), (60, 4821857), (643, 449940), (1286, 224970), (1929, 149980), (2572, 112485), (3215, 89988), (3858, 74990), (6430, 44994), (7499, 38580), (7716, 37495), (9645, 29996), (12860, 22497), (14998, 19290)]