198554040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{551539}}^1$

素因数の和:551556

約数の個数: 48

約数和(自身を含む): 645301800

約数和(自身を除く): 446747760

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, 551539, 1103078, 1654617, 2206156, 2757695, 3309234, 4412312, 4963851, 5515390, 6618468, 8273085, 9927702, 11030780, 13236936, 16546170, 19855404, 22061560, 24819255, 33092340, 39710808, 49638510, 66184680, 99277020, 198554040]

約数ペア:

[(1, 198554040), (2, 99277020), (3, 66184680), (4, 49638510), (5, 39710808), (6, 33092340), (8, 24819255), (9, 22061560), (10, 19855404), (12, 16546170), (15, 13236936), (18, 11030780), (20, 9927702), (24, 8273085), (30, 6618468), (36, 5515390), (40, 4963851), (45, 4412312), (60, 3309234), (72, 2757695), (90, 2206156), (120, 1654617), (180, 1103078), (360, 551539)]