407200

素因数分解:

$2^5\times 5^2\times {\mathrm{509}}^1$

素因数の和:529

約数の個数: 36

約数和(自身を含む): 996030

約数和(自身を除く): 588830

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 509, 800, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 12725, 16288, 20360, 25450, 40720, 50900, 81440, 101800, 203600, 407200]

約数ペア:

[(1, 407200), (2, 203600), (4, 101800), (5, 81440), (8, 50900), (10, 40720), (16, 25450), (20, 20360), (25, 16288), (32, 12725), (40, 10180), (50, 8144), (80, 5090), (100, 4072), (160, 2545), (200, 2036), (400, 1018), (509, 800)]