17668280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 46008000

約数和(自身を除く): 28339720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 709, 712, 890, 1246, 1418, 1780, 2492, 2836, 3115, 3545, 3560, 4963, 4984, 5672, 6230, 7090, 9926, 12460, 14180, 19852, 24815, 24920, 28360, 39704, 49630, 63101, 99260, 126202, 198520, 252404, 315505, 441707, 504808, 631010, 883414, 1262020, 1766828, 2208535, 2524040, 3533656, 4417070, 8834140, 17668280]

約数ペア:

[(1, 17668280), (2, 8834140), (4, 4417070), (5, 3533656), (7, 2524040), (8, 2208535), (10, 1766828), (14, 1262020), (20, 883414), (28, 631010), (35, 504808), (40, 441707), (56, 315505), (70, 252404), (89, 198520), (140, 126202), (178, 99260), (280, 63101), (356, 49630), (445, 39704), (623, 28360), (709, 24920), (712, 24815), (890, 19852), (1246, 14180), (1418, 12460), (1780, 9926), (2492, 7090), (2836, 6230), (3115, 5672), (3545, 4984), (3560, 4963)]