208462020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{267259}}^1$

素因数の和:267284

約数の個数: 48

約数和(自身を含む): 628595520

約数和(自身を除く): 420133500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 267259, 534518, 801777, 1069036, 1336295, 1603554, 2672590, 3207108, 3474367, 4008885, 5345180, 6948734, 8017770, 10423101, 13897468, 16035540, 17371835, 20846202, 34743670, 41692404, 52115505, 69487340, 104231010, 208462020]

約数ペア:

[(1, 208462020), (2, 104231010), (3, 69487340), (4, 52115505), (5, 41692404), (6, 34743670), (10, 20846202), (12, 17371835), (13, 16035540), (15, 13897468), (20, 10423101), (26, 8017770), (30, 6948734), (39, 5345180), (52, 4008885), (60, 3474367), (65, 3207108), (78, 2672590), (130, 1603554), (156, 1336295), (195, 1069036), (260, 801777), (390, 534518), (780, 267259)]