17970540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42787}}^1$

素因数の和:42806

約数の個数: 48

約数和(自身を含む): 57507072

約数和(自身を除く): 39536532

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, 42787, 85574, 128361, 171148, 213935, 256722, 299509, 427870, 513444, 599018, 641805, 855740, 898527, 1198036, 1283610, 1497545, 1797054, 2567220, 2995090, 3594108, 4492635, 5990180, 8985270, 17970540]

約数ペア:

[(1, 17970540), (2, 8985270), (3, 5990180), (4, 4492635), (5, 3594108), (6, 2995090), (7, 2567220), (10, 1797054), (12, 1497545), (14, 1283610), (15, 1198036), (20, 898527), (21, 855740), (28, 641805), (30, 599018), (35, 513444), (42, 427870), (60, 299509), (70, 256722), (84, 213935), (105, 171148), (140, 128361), (210, 85574), (420, 42787)]