200495980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{2053}}^1$

素因数の和:2338

約数の個数: 48

約数和(自身を含む): 445142880

約数和(自身を除く): 244646900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 1028, 1285, 2053, 2570, 4106, 4883, 5140, 8212, 9766, 10265, 19532, 20530, 24415, 39007, 41060, 48830, 78014, 97660, 156028, 195035, 390070, 527621, 780140, 1055242, 2110484, 2638105, 5276210, 10024799, 10552420, 20049598, 40099196, 50123995, 100247990, 200495980]

約数ペア:

[(1, 200495980), (2, 100247990), (4, 50123995), (5, 40099196), (10, 20049598), (19, 10552420), (20, 10024799), (38, 5276210), (76, 2638105), (95, 2110484), (190, 1055242), (257, 780140), (380, 527621), (514, 390070), (1028, 195035), (1285, 156028), (2053, 97660), (2570, 78014), (4106, 48830), (4883, 41060), (5140, 39007), (8212, 24415), (9766, 20530), (10265, 19532)]