221796100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{16931}}^1$

素因数の和:17076

約数の個数: 36

約数和(自身を含む): 485000208

約数和(自身を除く): 263204108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 13100, 16931, 33862, 67724, 84655, 169310, 338620, 423275, 846550, 1693100, 2217961, 4435922, 8871844, 11089805, 22179610, 44359220, 55449025, 110898050, 221796100]

約数ペア:

[(1, 221796100), (2, 110898050), (4, 55449025), (5, 44359220), (10, 22179610), (20, 11089805), (25, 8871844), (50, 4435922), (100, 2217961), (131, 1693100), (262, 846550), (524, 423275), (655, 338620), (1310, 169310), (2620, 84655), (3275, 67724), (6550, 33862), (13100, 16931)]