285909580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{30223}}^1$

素因数の和:30286

約数の個数: 48

約数和(自身を含む): 670247424

約数和(自身を除く): 384337844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 30223, 60446, 120892, 151115, 302230, 332453, 604460, 664906, 1299589, 1329812, 1662265, 2599178, 3324530, 5198356, 6497945, 6649060, 12995890, 14295479, 25991780, 28590958, 57181916, 71477395, 142954790, 285909580]

約数ペア:

[(1, 285909580), (2, 142954790), (4, 71477395), (5, 57181916), (10, 28590958), (11, 25991780), (20, 14295479), (22, 12995890), (43, 6649060), (44, 6497945), (55, 5198356), (86, 3324530), (110, 2599178), (172, 1662265), (215, 1329812), (220, 1299589), (430, 664906), (473, 604460), (860, 332453), (946, 302230), (1892, 151115), (2365, 120892), (4730, 60446), (9460, 30223)]