289490075

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 434543616

約数和(自身を除く): 145053541

約数列:

[1, 5, 7, 23, 25, 35, 71, 115, 161, 175, 355, 497, 575, 805, 1013, 1633, 1775, 2485, 4025, 5065, 7091, 8165, 11431, 12425, 23299, 25325, 35455, 40825, 57155, 71923, 116495, 163093, 177275, 285775, 359615, 503461, 582475, 815465, 1654229, 1798075, 2517305, 4077325, 8271145, 11579603, 12586525, 41355725, 57898015, 289490075]

約数ペア:

[(1, 289490075), (5, 57898015), (7, 41355725), (23, 12586525), (25, 11579603), (35, 8271145), (71, 4077325), (115, 2517305), (161, 1798075), (175, 1654229), (355, 815465), (497, 582475), (575, 503461), (805, 359615), (1013, 285775), (1633, 177275), (1775, 163093), (2485, 116495), (4025, 71923), (5065, 57155), (7091, 40825), (8165, 35455), (11431, 25325), (12425, 23299)]