215202820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1537163}}^1$

素因数の和:1537179

約数の個数: 24

約数和(自身を含む): 516487104

約数和(自身を除く): 301284284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1537163, 3074326, 6148652, 7685815, 10760141, 15371630, 21520282, 30743260, 43040564, 53800705, 107601410, 215202820]

約数ペア:

[(1, 215202820), (2, 107601410), (4, 53800705), (5, 43040564), (7, 30743260), (10, 21520282), (14, 15371630), (20, 10760141), (28, 7685815), (35, 6148652), (70, 3074326), (140, 1537163)]