71572820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1237}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 164723328

約数和(自身を除く): 93150508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1237, 1315, 2474, 2630, 2893, 4948, 5260, 5786, 6185, 11572, 12370, 13607, 14465, 24740, 27214, 28930, 54428, 57860, 68035, 136070, 272140, 325331, 650662, 1301324, 1626655, 3253310, 3578641, 6506620, 7157282, 14314564, 17893205, 35786410, 71572820]

約数ペア:

[(1, 71572820), (2, 35786410), (4, 17893205), (5, 14314564), (10, 7157282), (11, 6506620), (20, 3578641), (22, 3253310), (44, 1626655), (55, 1301324), (110, 650662), (220, 325331), (263, 272140), (526, 136070), (1052, 68035), (1237, 57860), (1315, 54428), (2474, 28930), (2630, 27214), (2893, 24740), (4948, 14465), (5260, 13607), (5786, 12370), (6185, 11572)]