11712890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 24278400

約数和(自身を除く): 12565510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1123, 1490, 2086, 2246, 5215, 5615, 7861, 10430, 11230, 15722, 39305, 78610, 167327, 334654, 836635, 1171289, 1673270, 2342578, 5856445, 11712890]

約数ペア:

[(1, 11712890), (2, 5856445), (5, 2342578), (7, 1673270), (10, 1171289), (14, 836635), (35, 334654), (70, 167327), (149, 78610), (298, 39305), (745, 15722), (1043, 11230), (1123, 10430), (1490, 7861), (2086, 5615), (2246, 5215)]