513517900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2707}}^1$

素因数の和:2999

約数の個数: 72

約数和(自身を含む): 1278695936

約数和(自身を除く): 765178036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 271, 350, 542, 700, 1084, 1355, 1897, 2707, 2710, 3794, 5414, 5420, 6775, 7588, 9485, 10828, 13535, 13550, 18949, 18970, 27070, 27100, 37898, 37940, 47425, 54140, 67675, 75796, 94745, 94850, 135350, 189490, 189700, 270700, 378980, 473725, 733597, 947450, 1467194, 1894900, 2934388, 3667985, 5135179, 7335970, 10270358, 14671940, 18339925, 20540716, 25675895, 36679850, 51351790, 73359700, 102703580, 128379475, 256758950, 513517900]

約数ペア:

[(1, 513517900), (2, 256758950), (4, 128379475), (5, 102703580), (7, 73359700), (10, 51351790), (14, 36679850), (20, 25675895), (25, 20540716), (28, 18339925), (35, 14671940), (50, 10270358), (70, 7335970), (100, 5135179), (140, 3667985), (175, 2934388), (271, 1894900), (350, 1467194), (542, 947450), (700, 733597), (1084, 473725), (1355, 378980), (1897, 270700), (2707, 189700), (2710, 189490), (3794, 135350), (5414, 94850), (5420, 94745), (6775, 75796), (7588, 67675), (9485, 54140), (10828, 47425), (13535, 37940), (13550, 37898), (18949, 27100), (18970, 27070)]