210207950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{4999}}^1$

素因数の和:5069

約数の個数: 36

約数和(自身を含む): 405015000

約数和(自身を除く): 194807050

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 841, 1450, 1682, 4205, 4999, 8410, 9998, 21025, 24995, 42050, 49990, 124975, 144971, 249950, 289942, 724855, 1449710, 3624275, 4204159, 7248550, 8408318, 21020795, 42041590, 105103975, 210207950]

約数ペア:

[(1, 210207950), (2, 105103975), (5, 42041590), (10, 21020795), (25, 8408318), (29, 7248550), (50, 4204159), (58, 3624275), (145, 1449710), (290, 724855), (725, 289942), (841, 249950), (1450, 144971), (1682, 124975), (4205, 49990), (4999, 42050), (8410, 24995), (9998, 21025)]