1778492720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1170061}}^1$

素因数の和:1170093

約数の個数: 40

約数和(自身を含む): 4352630640

約数和(自身を除く): 2574137920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1170061, 2340122, 4680244, 5850305, 9360488, 11700610, 18720976, 22231159, 23401220, 44462318, 46802440, 88924636, 93604880, 111155795, 177849272, 222311590, 355698544, 444623180, 889246360, 1778492720]

約数ペア:

[(1, 1778492720), (2, 889246360), (4, 444623180), (5, 355698544), (8, 222311590), (10, 177849272), (16, 111155795), (19, 93604880), (20, 88924636), (38, 46802440), (40, 44462318), (76, 23401220), (80, 22231159), (95, 18720976), (152, 11700610), (190, 9360488), (304, 5850305), (380, 4680244), (760, 2340122), (1520, 1170061)]