201218660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 430743936

約数和(自身を除く): 229525276

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 283, 292, 365, 487, 566, 730, 974, 1132, 1415, 1460, 1948, 2435, 2830, 4870, 5660, 9740, 20659, 35551, 41318, 71102, 82636, 103295, 137821, 142204, 177755, 206590, 275642, 355510, 413180, 551284, 689105, 711020, 1378210, 2756420, 10060933, 20121866, 40243732, 50304665, 100609330, 201218660]

約数ペア:

[(1, 201218660), (2, 100609330), (4, 50304665), (5, 40243732), (10, 20121866), (20, 10060933), (73, 2756420), (146, 1378210), (283, 711020), (292, 689105), (365, 551284), (487, 413180), (566, 355510), (730, 275642), (974, 206590), (1132, 177755), (1415, 142204), (1460, 137821), (1948, 103295), (2435, 82636), (2830, 71102), (4870, 41318), (5660, 35551), (9740, 20659)]