221946940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{270667}}^1$

素因数の和:270717

約数の個数: 24

約数和(自身を含む): 477458352

約数和(自身を除く): 255511412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 270667, 541334, 1082668, 1353335, 2706670, 5413340, 11097347, 22194694, 44389388, 55486735, 110973470, 221946940]

約数ペア:

[(1, 221946940), (2, 110973470), (4, 55486735), (5, 44389388), (10, 22194694), (20, 11097347), (41, 5413340), (82, 2706670), (164, 1353335), (205, 1082668), (410, 541334), (820, 270667)]