2016209900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{3931}}^1$

素因数の和:4191

約数の個数: 72

約数和(自身を含む): 4587039744

約数和(自身を除く): 2570829844

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 223, 230, 446, 460, 575, 892, 1115, 1150, 2230, 2300, 3931, 4460, 5129, 5575, 7862, 10258, 11150, 15724, 19655, 20516, 22300, 25645, 39310, 51290, 78620, 90413, 98275, 102580, 128225, 180826, 196550, 256450, 361652, 393100, 452065, 512900, 876613, 904130, 1753226, 1808260, 2260325, 3506452, 4383065, 4520650, 8766130, 9041300, 17532260, 20162099, 21915325, 40324198, 43830650, 80648396, 87661300, 100810495, 201620990, 403241980, 504052475, 1008104950, 2016209900]

約数ペア:

[(1, 2016209900), (2, 1008104950), (4, 504052475), (5, 403241980), (10, 201620990), (20, 100810495), (23, 87661300), (25, 80648396), (46, 43830650), (50, 40324198), (92, 21915325), (100, 20162099), (115, 17532260), (223, 9041300), (230, 8766130), (446, 4520650), (460, 4383065), (575, 3506452), (892, 2260325), (1115, 1808260), (1150, 1753226), (2230, 904130), (2300, 876613), (3931, 512900), (4460, 452065), (5129, 393100), (5575, 361652), (7862, 256450), (10258, 196550), (11150, 180826), (15724, 128225), (19655, 102580), (20516, 98275), (22300, 90413), (25645, 78620), (39310, 51290)]