199879560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{555221}}^1$

素因数の和:555238

約数の個数: 48

約数和(自身を含む): 649609740

約数和(自身を除く): 449730180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 555221, 1110442, 1665663, 2220884, 2776105, 3331326, 4441768, 4996989, 5552210, 6662652, 8328315, 9993978, 11104420, 13325304, 16656630, 19987956, 22208840, 24984945, 33313260, 39975912, 49969890, 66626520, 99939780, 199879560]

約数ペア:

[(1, 199879560), (2, 99939780), (3, 66626520), (4, 49969890), (5, 39975912), (6, 33313260), (8, 24984945), (9, 22208840), (10, 19987956), (12, 16656630), (15, 13325304), (18, 11104420), (20, 9993978), (24, 8328315), (30, 6662652), (36, 5552210), (40, 4996989), (45, 4441768), (60, 3331326), (72, 2776105), (90, 2220884), (120, 1665663), (180, 1110442), (360, 555221)]