197458520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{705209}}^1$

素因数の和:705227

約数の個数: 32

約数和(自身を含む): 507751200

約数和(自身を除く): 310292680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 705209, 1410418, 2820836, 3526045, 4936463, 5641672, 7052090, 9872926, 14104180, 19745852, 24682315, 28208360, 39491704, 49364630, 98729260, 197458520]

約数ペア:

[(1, 197458520), (2, 98729260), (4, 49364630), (5, 39491704), (7, 28208360), (8, 24682315), (10, 19745852), (14, 14104180), (20, 9872926), (28, 7052090), (35, 5641672), (40, 4936463), (56, 3526045), (70, 2820836), (140, 1410418), (280, 705209)]