20346909400

素因数分解:

$2^3\times 5^2\times {\mathrm{349}}^1\times {\mathrm{291503}}^1$

素因数の和:291868

約数の個数: 48

約数和(自身を含む): 47442276000

約数和(自身を除く): 27095366600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 349, 698, 1396, 1745, 2792, 3490, 6980, 8725, 13960, 17450, 34900, 69800, 291503, 583006, 1166012, 1457515, 2332024, 2915030, 5830060, 7287575, 11660120, 14575150, 29150300, 58300600, 101734547, 203469094, 406938188, 508672735, 813876376, 1017345470, 2034690940, 2543363675, 4069381880, 5086727350, 10173454700, 20346909400]

約数ペア:

[(1, 20346909400), (2, 10173454700), (4, 5086727350), (5, 4069381880), (8, 2543363675), (10, 2034690940), (20, 1017345470), (25, 813876376), (40, 508672735), (50, 406938188), (100, 203469094), (200, 101734547), (349, 58300600), (698, 29150300), (1396, 14575150), (1745, 11660120), (2792, 7287575), (3490, 5830060), (6980, 2915030), (8725, 2332024), (13960, 1457515), (17450, 1166012), (34900, 583006), (69800, 291503)]