74009990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 137467584

約数和(自身を除く): 63457594

約数列:

[1, 2, 5, 10, 37, 74, 185, 317, 370, 631, 634, 1262, 1585, 3155, 3170, 6310, 11729, 23347, 23458, 46694, 58645, 116735, 117290, 200027, 233470, 400054, 1000135, 2000270, 7400999, 14801998, 37004995, 74009990]

約数ペア:

[(1, 74009990), (2, 37004995), (5, 14801998), (10, 7400999), (37, 2000270), (74, 1000135), (185, 400054), (317, 233470), (370, 200027), (631, 117290), (634, 116735), (1262, 58645), (1585, 46694), (3155, 23458), (3170, 23347), (6310, 11729)]