98200900

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 90

約数和(自身を含む): 249204970

約数和(自身を除く): 151004070

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 409, 490, 686, 700, 818, 980, 1225, 1372, 1636, 1715, 2045, 2401, 2450, 2863, 3430, 4090, 4802, 4900, 5726, 6860, 8180, 8575, 9604, 10225, 11452, 12005, 14315, 17150, 20041, 20450, 24010, 28630, 34300, 40082, 40900, 48020, 57260, 60025, 71575, 80164, 100205, 120050, 140287, 143150, 200410, 240100, 280574, 286300, 400820, 501025, 561148, 701435, 982009, 1002050, 1402870, 1964018, 2004100, 2805740, 3507175, 3928036, 4910045, 7014350, 9820090, 14028700, 19640180, 24550225, 49100450, 98200900]

約数ペア:

[(1, 98200900), (2, 49100450), (4, 24550225), (5, 19640180), (7, 14028700), (10, 9820090), (14, 7014350), (20, 4910045), (25, 3928036), (28, 3507175), (35, 2805740), (49, 2004100), (50, 1964018), (70, 1402870), (98, 1002050), (100, 982009), (140, 701435), (175, 561148), (196, 501025), (245, 400820), (343, 286300), (350, 280574), (409, 240100), (490, 200410), (686, 143150), (700, 140287), (818, 120050), (980, 100205), (1225, 80164), (1372, 71575), (1636, 60025), (1715, 57260), (2045, 48020), (2401, 40900), (2450, 40082), (2863, 34300), (3430, 28630), (4090, 24010), (4802, 20450), (4900, 20041), (5726, 17150), (6860, 14315), (8180, 12005), (8575, 11452), (9604, 10225)]