290147290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{49261}}^1$

素因数の和:49318

約数の個数: 32

約数和(自身を含む): 567498240

約数和(自身を除く): 277350950

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 49261, 98522, 246305, 492610, 935959, 1527091, 1871918, 3054182, 4679795, 7635455, 9359590, 15270910, 29014729, 58029458, 145073645, 290147290]

約数ペア:

[(1, 290147290), (2, 145073645), (5, 58029458), (10, 29014729), (19, 15270910), (31, 9359590), (38, 7635455), (62, 4679795), (95, 3054182), (155, 1871918), (190, 1527091), (310, 935959), (589, 492610), (1178, 246305), (2945, 98522), (5890, 49261)]