99889720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{356749}}^1$

素因数の和:356767

約数の個数: 32

約数和(自身を含む): 256860000

約数和(自身を除く): 156970280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 356749, 713498, 1426996, 1783745, 2497243, 2853992, 3567490, 4994486, 7134980, 9988972, 12486215, 14269960, 19977944, 24972430, 49944860, 99889720]

約数ペア:

[(1, 99889720), (2, 49944860), (4, 24972430), (5, 19977944), (7, 14269960), (8, 12486215), (10, 9988972), (14, 7134980), (20, 4994486), (28, 3567490), (35, 2853992), (40, 2497243), (56, 1783745), (70, 1426996), (140, 713498), (280, 356749)]