227960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 529200

約数和(自身を除く): 301240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 139, 164, 205, 278, 328, 410, 556, 695, 820, 1112, 1390, 1640, 2780, 5560, 5699, 11398, 22796, 28495, 45592, 56990, 113980, 227960]

約数ペア:

[(1, 227960), (2, 113980), (4, 56990), (5, 45592), (8, 28495), (10, 22796), (20, 11398), (40, 5699), (41, 5560), (82, 2780), (139, 1640), (164, 1390), (205, 1112), (278, 820), (328, 695), (410, 556)]