214978225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 334728576

約数和(自身を除く): 119750351

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 181, 275, 385, 617, 905, 1267, 1925, 1991, 3085, 4319, 4525, 6335, 6787, 9955, 13937, 15425, 21595, 31675, 33935, 47509, 49775, 69685, 107975, 111677, 169675, 237545, 348425, 558385, 781739, 1187725, 1228447, 2791925, 3908695, 6142235, 8599129, 19543475, 30711175, 42995645, 214978225]

約数ペア:

[(1, 214978225), (5, 42995645), (7, 30711175), (11, 19543475), (25, 8599129), (35, 6142235), (55, 3908695), (77, 2791925), (175, 1228447), (181, 1187725), (275, 781739), (385, 558385), (617, 348425), (905, 237545), (1267, 169675), (1925, 111677), (1991, 107975), (3085, 69685), (4319, 49775), (4525, 47509), (6335, 33935), (6787, 31675), (9955, 21595), (13937, 15425)]