30708520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20749}}^1$

素因数の和:20797

約数の個数: 32

約数和(自身を含む): 70965000

約数和(自身を除く): 40256480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 20749, 41498, 82996, 103745, 165992, 207490, 414980, 767713, 829960, 1535426, 3070852, 3838565, 6141704, 7677130, 15354260, 30708520]

約数ペア:

[(1, 30708520), (2, 15354260), (4, 7677130), (5, 6141704), (8, 3838565), (10, 3070852), (20, 1535426), (37, 829960), (40, 767713), (74, 414980), (148, 207490), (185, 165992), (296, 103745), (370, 82996), (740, 41498), (1480, 20749)]