9806020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 23829120

約数和(自身を除く): 14023100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 787, 890, 1246, 1574, 1780, 2492, 3115, 3148, 3935, 5509, 6230, 7870, 11018, 12460, 15740, 22036, 27545, 55090, 70043, 110180, 140086, 280172, 350215, 490301, 700430, 980602, 1400860, 1961204, 2451505, 4903010, 9806020]

約数ペア:

[(1, 9806020), (2, 4903010), (4, 2451505), (5, 1961204), (7, 1400860), (10, 980602), (14, 700430), (20, 490301), (28, 350215), (35, 280172), (70, 140086), (89, 110180), (140, 70043), (178, 55090), (356, 27545), (445, 22036), (623, 15740), (787, 12460), (890, 11018), (1246, 7870), (1574, 6230), (1780, 5509), (2492, 3935), (3115, 3148)]