201399050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2099}}^1$

素因数の和:2231

約数の個数: 48

約数和(自身を含む): 398412000

約数和(自身を除く): 197012950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 101, 190, 202, 475, 505, 950, 1010, 1919, 2099, 2525, 3838, 4198, 5050, 9595, 10495, 19190, 20990, 39881, 47975, 52475, 79762, 95950, 104950, 199405, 211999, 398810, 423998, 997025, 1059995, 1994050, 2119990, 4027981, 5299975, 8055962, 10599950, 20139905, 40279810, 100699525, 201399050]

約数ペア:

[(1, 201399050), (2, 100699525), (5, 40279810), (10, 20139905), (19, 10599950), (25, 8055962), (38, 5299975), (50, 4027981), (95, 2119990), (101, 1994050), (190, 1059995), (202, 997025), (475, 423998), (505, 398810), (950, 211999), (1010, 199405), (1919, 104950), (2099, 95950), (2525, 79762), (3838, 52475), (4198, 47975), (5050, 39881), (9595, 20990), (10495, 19190)]