561890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 1209600

約数和(自身を除く): 647710

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 349, 698, 805, 1610, 1745, 2443, 3490, 4886, 8027, 12215, 16054, 24430, 40135, 56189, 80270, 112378, 280945, 561890]

約数ペア:

[(1, 561890), (2, 280945), (5, 112378), (7, 80270), (10, 56189), (14, 40135), (23, 24430), (35, 16054), (46, 12215), (70, 8027), (115, 4886), (161, 3490), (230, 2443), (322, 1745), (349, 1610), (698, 805)]