205859340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{381221}}^1$

素因数の和:381239

約数の個数: 48

約数和(自身を含む): 640452960

約数和(自身を除く): 434593620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 381221, 762442, 1143663, 1524884, 1906105, 2287326, 3430989, 3812210, 4574652, 5718315, 6861978, 7624420, 10292967, 11436630, 13723956, 17154945, 20585934, 22873260, 34309890, 41171868, 51464835, 68619780, 102929670, 205859340]

約数ペア:

[(1, 205859340), (2, 102929670), (3, 68619780), (4, 51464835), (5, 41171868), (6, 34309890), (9, 22873260), (10, 20585934), (12, 17154945), (15, 13723956), (18, 11436630), (20, 10292967), (27, 7624420), (30, 6861978), (36, 5718315), (45, 4574652), (54, 3812210), (60, 3430989), (90, 2287326), (108, 1906105), (135, 1524884), (180, 1143663), (270, 762442), (540, 381221)]