222779240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{135841}}^1$

素因数の和:135893

約数の個数: 32

約数和(自身を含む): 513482760

約数和(自身を除く): 290703520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 135841, 271682, 543364, 679205, 1086728, 1358410, 2716820, 5433640, 5569481, 11138962, 22277924, 27847405, 44555848, 55694810, 111389620, 222779240]

約数ペア:

[(1, 222779240), (2, 111389620), (4, 55694810), (5, 44555848), (8, 27847405), (10, 22277924), (20, 11138962), (40, 5569481), (41, 5433640), (82, 2716820), (164, 1358410), (205, 1086728), (328, 679205), (410, 543364), (820, 271682), (1640, 135841)]