199394280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{553873}}^1$

素因数の和:553890

約数の個数: 48

約数和(自身を含む): 648032580

約数和(自身を除く): 448638300

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, 553873, 1107746, 1661619, 2215492, 2769365, 3323238, 4430984, 4984857, 5538730, 6646476, 8308095, 9969714, 11077460, 13292952, 16616190, 19939428, 22154920, 24924285, 33232380, 39878856, 49848570, 66464760, 99697140, 199394280]

約数ペア:

[(1, 199394280), (2, 99697140), (3, 66464760), (4, 49848570), (5, 39878856), (6, 33232380), (8, 24924285), (9, 22154920), (10, 19939428), (12, 16616190), (15, 13292952), (18, 11077460), (20, 9969714), (24, 8308095), (30, 6646476), (36, 5538730), (40, 4984857), (45, 4430984), (60, 3323238), (72, 2769365), (90, 2215492), (120, 1661619), (180, 1107746), (360, 553873)]