199911120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{832963}}^1$

素因数の和:832979

約数の個数: 40

約数和(自身を含む): 619725216

約数和(自身を除く): 419814096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 832963, 1665926, 2498889, 3331852, 4164815, 4997778, 6663704, 8329630, 9995556, 12494445, 13327408, 16659260, 19991112, 24988890, 33318520, 39982224, 49977780, 66637040, 99955560, 199911120]

約数ペア:

[(1, 199911120), (2, 99955560), (3, 66637040), (4, 49977780), (5, 39982224), (6, 33318520), (8, 24988890), (10, 19991112), (12, 16659260), (15, 13327408), (16, 12494445), (20, 9995556), (24, 8329630), (30, 6663704), (40, 4997778), (48, 4164815), (60, 3331852), (80, 2498889), (120, 1665926), (240, 832963)]