71065780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1061}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 158968656

約数和(自身を除く): 87902876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1061, 1970, 2122, 3349, 3940, 4244, 5305, 6698, 10610, 13396, 16745, 18037, 21220, 33490, 36074, 66980, 72148, 90185, 180370, 209017, 360740, 418034, 836068, 1045085, 2090170, 3553289, 4180340, 7106578, 14213156, 17766445, 35532890, 71065780]

約数ペア:

[(1, 71065780), (2, 35532890), (4, 17766445), (5, 14213156), (10, 7106578), (17, 4180340), (20, 3553289), (34, 2090170), (68, 1045085), (85, 836068), (170, 418034), (197, 360740), (340, 209017), (394, 180370), (788, 90185), (985, 72148), (1061, 66980), (1970, 36074), (2122, 33490), (3349, 21220), (3940, 18037), (4244, 16745), (5305, 13396), (6698, 10610)]