221821700

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{20731}}^1$

素因数の和:20852

約数の個数: 36

約数和(自身を含む): 485875152

約数和(自身を除く): 264053452

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 2140, 2675, 5350, 10700, 20731, 41462, 82924, 103655, 207310, 414620, 518275, 1036550, 2073100, 2218217, 4436434, 8872868, 11091085, 22182170, 44364340, 55455425, 110910850, 221821700]

約数ペア:

[(1, 221821700), (2, 110910850), (4, 55455425), (5, 44364340), (10, 22182170), (20, 11091085), (25, 8872868), (50, 4436434), (100, 2218217), (107, 2073100), (214, 1036550), (428, 518275), (535, 414620), (1070, 207310), (2140, 103655), (2675, 82924), (5350, 41462), (10700, 20731)]