309267980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{32971}}^1$

素因数の和:33054

約数の個数: 48

約数和(自身を含む): 753344256

約数和(自身を除く): 444076276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 32971, 65942, 131884, 164855, 230797, 329710, 461594, 659420, 923188, 1153985, 2209057, 2307970, 4418114, 4615940, 8836228, 11045285, 15463399, 22090570, 30926798, 44181140, 61853596, 77316995, 154633990, 309267980]

約数ペア:

[(1, 309267980), (2, 154633990), (4, 77316995), (5, 61853596), (7, 44181140), (10, 30926798), (14, 22090570), (20, 15463399), (28, 11045285), (35, 8836228), (67, 4615940), (70, 4418114), (134, 2307970), (140, 2209057), (268, 1153985), (335, 923188), (469, 659420), (670, 461594), (938, 329710), (1340, 230797), (1876, 164855), (2345, 131884), (4690, 65942), (9380, 32971)]