19980300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66601}}^1$

素因数の和:66618

約数の個数: 36

約数和(自身を含む): 57810536

約数和(自身を除く): 37830236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66601, 133202, 199803, 266404, 333005, 399606, 666010, 799212, 999015, 1332020, 1665025, 1998030, 3330050, 3996060, 4995075, 6660100, 9990150, 19980300]

約数ペア:

[(1, 19980300), (2, 9990150), (3, 6660100), (4, 4995075), (5, 3996060), (6, 3330050), (10, 1998030), (12, 1665025), (15, 1332020), (20, 999015), (25, 799212), (30, 666010), (50, 399606), (60, 333005), (75, 266404), (100, 199803), (150, 133202), (300, 66601)]