90643900

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{3527}}^1$

素因数の和:3798

約数の個数: 36

約数和(自身を含む): 197518608

約数和(自身を除く): 106874708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2570, 3527, 5140, 6425, 7054, 12850, 14108, 17635, 25700, 35270, 70540, 88175, 176350, 352700, 906439, 1812878, 3625756, 4532195, 9064390, 18128780, 22660975, 45321950, 90643900]

約数ペア:

[(1, 90643900), (2, 45321950), (4, 22660975), (5, 18128780), (10, 9064390), (20, 4532195), (25, 3625756), (50, 1812878), (100, 906439), (257, 352700), (514, 176350), (1028, 88175), (1285, 70540), (2570, 35270), (3527, 25700), (5140, 17635), (6425, 14108), (7054, 12850)]