221576460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{527563}}^1$

素因数の和:527582

約数の個数: 48

約数和(自身を含む): 709046016

約数和(自身を除く): 487469556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 527563, 1055126, 1582689, 2110252, 2637815, 3165378, 3692941, 5275630, 6330756, 7385882, 7913445, 10551260, 11078823, 14771764, 15826890, 18464705, 22157646, 31653780, 36929410, 44315292, 55394115, 73858820, 110788230, 221576460]

約数ペア:

[(1, 221576460), (2, 110788230), (3, 73858820), (4, 55394115), (5, 44315292), (6, 36929410), (7, 31653780), (10, 22157646), (12, 18464705), (14, 15826890), (15, 14771764), (20, 11078823), (21, 10551260), (28, 7913445), (30, 7385882), (35, 6330756), (42, 5275630), (60, 3692941), (70, 3165378), (84, 2637815), (105, 2110252), (140, 1582689), (210, 1055126), (420, 527563)]