194721020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5717}}^1$

素因数の和:5870

約数の個数: 48

約数和(自身を含む): 443808288

約数和(自身を除く): 249087268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 5717, 6812, 8515, 11434, 17030, 22868, 28585, 34060, 57170, 74321, 114340, 148642, 297284, 371605, 743210, 748927, 1486420, 1497854, 2995708, 3744635, 7489270, 9736051, 14978540, 19472102, 38944204, 48680255, 97360510, 194721020]

約数ペア:

[(1, 194721020), (2, 97360510), (4, 48680255), (5, 38944204), (10, 19472102), (13, 14978540), (20, 9736051), (26, 7489270), (52, 3744635), (65, 2995708), (130, 1497854), (131, 1486420), (260, 748927), (262, 743210), (524, 371605), (655, 297284), (1310, 148642), (1703, 114340), (2620, 74321), (3406, 57170), (5717, 34060), (6812, 28585), (8515, 22868), (11434, 17030)]